How much we observe one another?

We must tell everybody____school rules.A.observe B.to observe C.observing D.observes

与observe用法相同的词（急!）
如observe sb do/doing（观察某人做某事）,像这样搭配的动词有哪些?
顺便问一下,observe+done 有这样的搭配吗?

一条统计与概率的英文题
Suppose that we are to observe two independent random samples:Y1,Y2,...,Yn denoting a random sample from a normal distribution with mean µ1 and variance σ21;(2上1下） and X1,X2,...,Xm denoting a random sample from another normal distribution with mean µ2 and variance σ22（2上2下）An approximation for µ1
− µ2 is given by Y − X,the difference between the sample means.Find
_ _
E [Y − X]
2 _ _
and Var3(Y − X)
4
.

They will observe the anniversary of the day she was born.这里she was born在句子里做什么成份?

see,watch,notice,hear,feel,observe等这些在被动语态里都要还原to,
但像这一类的感官动词不是没有被动吗

see notice observe watch的区别
We had to ask our neighbors to ____ our house while we were away on holiday.
A.see B. notice C.observe D.watch

英语翻译
2.67x05To observe and perform the covenants agreements and obligations on the part of the landlord as lessee as contained in the Superior Lease and upon being so requested by the landlord the tenant will immediately execute any Deed of Covenant required by the Superior Landlord in relation to such obligations.

英语词根到底怎么用？
preserve
reserve
conserve
deserve
observe
上面的单词，前三个从serve词根考虑可以翻译成保存，但是又如何区分呢？
下面2个单词，从serve词根考虑是不能翻译的
所以从词根考虑的话，很多单词都不能正确翻译，那词根到底怎么用?
preserve的pre前缀意思是。。。之前，reserve的前缀re意思是再，conserve的前缀con意思是共同，但是这跟这些单词的“保存”意思有毛关系？好迷糊

形容词修饰名词 名词修饰名词
比如这句话 we can observe many kinds of chemical changes in the chemistry lab.谁教个简单的方法选择是名词修饰还是形容词修饰
.我的意思是假如知道了一个名词,如何选择用名词或形容词修饰

the object is designed to observe the lihosphere,and gain a better (understanding) ofoveans
为什么填understanding而不是learning?

英语选择适当的词填空
从sense observe glance deserted related reduve except beat fear ,make the most of,make progress 选择合适的词语填入下列句子 1.It________that 40percent of patients had high blood pressure 2 The price rise caused many readers to____the magazine
3 A _____ of panic has spread over the country
4 He was questioned and ______
5 He suffers with memory loss_______his disease

英语翻译
It is interesting to observe the progress that has been made in the past 15 years in the programmable controller area.The pioneer products of the late 1960s must have been confusing and frightening to a great number of people.For example,what happened to the hardwired and electromechanical devices that maintenance personnel were used to repairing with hand tools?They were replaced with ‘computers’ disguised as electronics designed to replace relays.Even the programming tools were designed to appear as relay equivalent presentations.We have the opportunity now to examine the promise,in retrospect,that the programmable controller brought to manufacturing.
All programmable controllers consist of the basic functional blocks shown in Fig.10.1.We’ll examine each block to understand the relationship to the control system.First we look at the center,as it is the heart ( or at least the brain ) of the system.It consists of a microprocessor,logic memory for the storage of the actual control logic,storage or variable memory for use with data that will ordinarily change as a function power for the processor and memory.Next comes the I/O block.This function takes the control level signals for the CPU and converts them to voltage and current levels suitable for connection with factory grade sensors and actuators.The I/O type can range from digital (discrete or on / off),analog (continuously variable),or a variety of special purpose ‘smart’ I/O which are dedicated to a certain application task.The programmer is shown here,but it is normally used only to initially configure and program a system and is not required for the system to operate.It is also used in troubleshooting a system,and can prove to be a valuable tool in pinpointing the exact cause of a problem.The field devices shown here represent the various sensors and actuators connected to the I/O.These are the arms,legs,eyes,and ears of the system,including push buttons,limit switches,proximity switches,photosensors,thermocouples,RTDS,position sensing devices,and bar code reader as input; and pilot lights,display devices,motor starters,DC and AC drives,solenoids,and printers as outputs.
No single attempt could cover its rapidly changing scope,but three basic characteristics can be examined to give classify an industrial control device as a programmable controller.
(1) Its basic internal operation is to solve logic from the beginning of memory to some specified point,such as end of memory or end of program.Once the end is reached,the operation begins again at the beginning of memory.This scanning process continues from the time power is supplied to the time it it removed.

关于此句英语语法
句子如下：
Most animals we commonly observe do in fact age as we do ,if given the chance to live long enough.
do in fact
do in fact 的句中是作什么成份?
为什么要用in fact 前加个do 来表达?
do in fact 和in fact 有什么区别?
请指教

英语练习题!求专家解答.
1.We observe things in the science lab.(对画线部分提问）
什么 什么 什么 什么 in the science lab?
2.We play basketball o the field.(对画线部分提问）
什么 什么 什么 play basketball?
3.I like science field trips very much.(对画线部分提问）
什么 什么 什么 什么 science field trips?
1.对observe things画线
2.对on the field 画线
3.对very much画线

9.Everybody must observe the rule,not ____the director.A.except B.but C.exceptingD.except for
为什么不选C

Observe the following sentences,paying attention to the
ellipsis and substitution in them and write them down:
拜托帮我做道英文题 5555555555 3个小时后交了 火烧眉毛了 谁来救救我啊?
1.I only know her only children,but I don’t know the youngest one.
2.I have two poached eggs on toast.---- I have the same.
3.American food is not the same as the English kind.
4.I don’t speak French,but he does.
5.He has a good idea.Do you think so?
6.There are four flights to New York today.Let’s take the earliest.
7.Why give me two cups of coffee?I only asked for one.
8.Have you seen him before?---- Yes,I have.
9.He promised to be here on time.---- Yes,I know.
10.Will it rain tomorrow?---- Perhaps.
11.Can I have these apples,Mum?---- You just had a big one.
12.You don’t like dishonesty,do you?---- Of course not.Actually,nobody does.
13.Is he the right person for the job?---- I suppose not.
14.Who else is coming to the party?---- Paul.
15.Do you think he is the right person for the job?---- Probably so.

remark和observe的区别
在评论这意义上的

ATTENTION OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC SENSITIVE DEVICES是什么意思?

帮我翻译一下
It is to observe the earth that satellites carry television far into space.

英语翻译
是关于在屋顶安装太阳能集热器
The south-facing alignment must be observed even more strictly at a steep angle than at a flat angle.And on sloping roofs,aesthetic perceptions may oppose installing the collectors other than parallel to the roof itself.

英语改错题It's observe he is a liar.
错了，不是observe，是obvious

Many families in the United States observe National Grandparents Day on the first Sunday of September after America’s Labor Day. People often 36 their parents on this day. Many people 37 the day through a lot of activities such as gift-giving and card giving. Some children 38 their grandparents to school for a day where they take special lessons. Some students 39 storytelling activities that relate to their grandparents, as well as picture or music competitions where children use a story about their grandparents in their 40 . About four million greeting cards are 41 within the United States each year on National Grandparents Day. This day is also a 42 for people to appreciate and express their 43 to their grandparents through 44 actions such as making a phone call and inviting their grandparents for dinner. People living in nursing homes may 45 a visit from their grandchildren. National Grandparents Day has more than one 46 . Some people consider it to have been first proposed by Michael Goldgar in the 1970s after he visited his aunt in an Atlanta nursing home. Others 47 Marian Lucille Herndon McQuade to have been the main 48 of National Grandparents Day. Throughout the 1970s McQuade worked hard to 49 people about the important contributions senior citizens made and the contributions that they would be willing to make 50 asked. She also urged(强烈要求) people to take good care of a grandparent, not for one day a year and not for material giving, 51 for a lifetime of experience. National Grandparents Day was 52 signed into law by President Jimmy Carter in 1978. Marian McQuade received a phone call from the White House to 53 her of this event. Many people believe that National Grandparents Day was inspired by her 54 . A presidential proclamation(声明) on September 6, 1979 made this day 55 . 小题1: A．support B．praise C．reward D．honor 小题2: A．begin B．hold C．celebrate D．remember 小题3: A．invite B．expose C．force D．remind 小题4: A．make the use of B．take part in C．take up D．build up 小题5: A．diaries B．plans C．reports D．artworks 小题6: A．signed B．sent C．carried D．brought 小题7: A．chance B．luck C．condition D．possibility 小题8: A．satisfaction B．interest C．love D．agreement 小题9: A．quick B．careful C．difficult D．kind 小题10: A．create B．receive C．present D．realize 小题11: A．cause B．origin C．background D．beginning 小题12:A make B. expect C. consider D. allow 小题13: A．driver B．owner C．researcher D．inventor 小题14: A．warn B．educate C．interview D．ask 小题15: A．if B 山水吉 1年前 已收到1个回答 举报 赞 光着脚的aa 春芽 共回答了15个问题采纳率：93.3% 举报 小题1:D 小题1:C 小题1:A 小题1:B 小题1:D 小题1:B 小题1:A 小题1:C 小题1:D 小题1:B 小题1:B 小题1:C 小题1:A 小题1:B 小题1:A 小题1:B 小题1:A 小题1:D 小题1:D 小题1:C 本文介绍了美国的祖父母节。 小题1:D 在祖父母节这天，人们都会非常“尊重”他们的父母。Support“支持”；praise“表扬”；reward“奖赏” 小题1:C 此处讲了人们是以何种方式“庆祝”祖父母节。 小题1:A invite sb to do sth意为邀请某人做某事。 小题1:B make the use of“充分利用”；take part in“参加”；take up“占据”； build up“建立”；此处指孩子们参加一些和爷爷奶奶相关的讲故事活动。 小题1:D artworks“艺术品”；孩子们会在自己的参赛作品中会使用一个和爷爷奶奶有关的故事，以此表示对爷爷奶奶的尊敬和爱戴。 小题1:B此题考查被动语态。在节日这天，有四百万张问候卡被送出去。 小题1:A 这一天也同样是一个人们可以通过各种友善的举动对父母表达爱和感激的机会。 小题1:C见上题分析 小题1:D 小题1:B receive a visit from sb“接受某人的访问”为固定搭配。 小题1:B origin“起源”，祖父母节的起源不止一个。 小题1:C 由上句的Some people consider可知。 小题1:A此处的driver并非指司机，而是指“促成者，驱动者” 小题1:B educate sb about sth教育某人某事。Warn “警告”； 小题1:A if 引导的条件状语从句，此处省略了主语和be 动词。 小题1:B not…but 为固定搭配，不是…而是。 小题1:A 本题考查副词的用法。“最终”祖父母节被卡特总统纳入法律。recently “近来”； nearly “几乎”；Generally“通常地”； 小题1:D本题考查动词的固定搭配。inform sb of sth 意为“通知某人某事”；白宫的人打电话通知Marian McQuade。 小题1:D本题考查名词的辨析。efforts“努力”； energy“精力”goals“目标” bravery“勇敢”。许多人认为是Marian McQuade。的不懈努力才让祖父母节变得如此重要。 小题1:C总统的声明让祖父母节变成了官方节日 1年前 5 回答问题 可能相似的问题 There are few families in the United States that do not have 1年前1个回答 英语好的进来看一下1 William Gates III United States 51 56.0 United St 1年前2个回答 英语翻译Clay is 13 years old,and he lives in Miami,the United St 1年前1个回答 在线求指导：阅读理解.In 阅读理解. 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it needed us to observe the nature of the things for us to study the perspective relation

Observe that 18 = 42 + 12 + 12 + 02.How many of the first fifteen positive integers can be written as the sum of the squares of four integers
马上要考试啦T 后面 的四个数分别是是4的二次方,1的二次方,1的二次方,0的二次方,别看错了.

请给我相应的英语口语回答,
what rulers should we observe when making an appointment?

一个英语小问题
It interests me to observe the way in which children so often react against their parents'ideas,while at the same time _______their parents' characteristics.
That is to say,the children grow up to hold different views from their parents,yet to have similar personalities.
为什么那个空格答案是keep,而不是keeping,不是非谓语吗?

our opinions differ because of what we choose to observe and how we deal with we observe.

英语翻译
1.直到他被送进手术室,他才意识到遵守交通规则的重要性（until,observe)
2.直到他看到红灯,他才意识到危险（until,be conscious of)

选词填空,并写出原因.
keep quiet on time be late for talk with observe.rules
1._______,the baby is sleeping.
2.She doesn't often get to school________.
3.The woman in red _______my mother.
4.We must ____traffic____.
5._____you______(do)your homework every evening?

he stays up late of ( ) evening to observe( )positions and motion of the heavenly bodies
A the the B an the
为什么第一个不能表特指啊?

Did you observe him ___the room ?Aenter B to enter Centered D was entering 为什么选A

if it （） caused by flaws,the scientists can observe it everywhere.
如果
括号里应该填 is 还是 was

英语翻译
If we observe carefully,we can find that most of the flowers in nature are red,orange and yellow.If we have seen a black foower,it's chance in a million.people have made a census to colors of more than four thousand kinds of flowers and discovered that only eight of them are black.Why?
As we know,sunlight is formed is formed by seven different kinds of colored light.The wave length of each light changes.So the quantity of heat in each light changes,too.Flowers,especially their petals,are very delicate and prone to the harm caused by high temperature.Black fomwers can take in all the light waves,which cause the flowers to dry up in a high temperature.So black lowers can rarely survive sunlight.But ted flowers.orange flowers and yellow flowers can protect themselves from sunlight by reflecting the red light,orange light and yellow light,each of which has a large quantity of heat.
That is why red,orange and yellow flowers are very common in nature while black flowers are so rare.