1：More than one child here＿＿＿ (be) infected with measles.

many thousands of people have been infected with the virus.
为什么infect要加ed,是因为他是被动语态吗?凡是被动语态动词都要加ed吗?

英语翻译
Once a human is infected,little can be done to save him or her.Because
Solanum is a virus and not a bacteria,antibiotics have no effect.
Immunization,the only way to combat a virus,is equally useless,as even
the most minute dosage will lead to a full-blown infection.Genetic
research is under way.Goals range from stronger human antibodies to
resistant cell structure to a counter-virus designed to identify and destroy
Solanum.This and other,more radical treatments are still in the earliest
stages,with no foreseeable success in the near future.Battlefield experiences
have led to the immediate severing of the infected limb (provided
this is the location of the bite),but such treatments are dubious at best,
with less than a 10 percent success rate.Chances are,the infected human
was doomed from the moment the virus entered his or her system.

英语独立主格结构选择题～3题～
1.Her right eye becoming seriously infected,_______.
A.Mary jones went on leave from the company.
B.the company permitted Mary Jones a leave.
C.so did Mary Jones go on leave from the company.
D.leave was permitted by the company to Mary Jones.
请分析一下每一个选项..
2.He entered the room,his nose ______.
A.red with cold B.cold with red.
这个应该选哪个?为什么?
3.______,we went swimming.
A.Been a hot day B.The day being hot
为什么不能选a?能不能换成 Being a hot day?

If the wound ______ become infected, do not hesitate to call me. A．shall B．must C．should D．would

The six­year­old girl infected with the H7N9 bird flu is in a ________ condition after receiving treatment. A．stable B．temporary C．thoughtless D．sensitive

1.Researchers discovered thatplants infected with a virus give off a gas that ___ disease resistance in beighboring plants.
A .contracts B .acitvates C .maintains D .prescribe
2.Speak to him slowly ___ he can understand you better.
A .in order B .so as C .so that D .for
3.He has difficulty ___ the word.
A .to pronounce B .for pronouncing C .pronouncing
D .of pronouncing
4.How many mile have you been ___ today?
A .reached B .been C .covered D .away
5.What are you ___ if she asks you to stay?
A .doing B .to do C .to be done D .to be doing
6.No one needs to feel awkward in ___ his own customs.
A .pursuing B .following C .chasing D .seeking
7.By law,when one makes a large purchase,he should have ___ opportunity to change his mind.
A .accurate B .urgent C .excessive D .adequate
8.I wonder why they don’t allow ___ the library.
A .to use B .us use C .us using D .us to use
9.The General Store sells clothing and many other things ___ food.
A .in addition B .except for C .apart from D .beside
10.The house isn't big enough for a family of four,and ___,the price is not reasonable.
A .even though B .furthermore C .therefore D .however
11.Be careful while crossing the street.Don’t forget ___ over by a bike the other day.
A .to knock B .to be knocked C .being knocked
D .to have knocked
12.In ___ of his international fame,he is a very easy-going person.
A .face B .stead C .spite D .front
13.Since it is late to change my mind now,I am ___ to carrying out the plan.
A .obliged B .committed C .engaged D .resolved
14.Now there is no need to worry about the deadline since we are ahead of ___.
A .table B .chare C .schedule D .graph
15.You ___ here at 9,but now it is already 10.
A .ought to be B .need to be C .ought to have been
D .need have been
16.There was a big hole in the road which ___ the traffic.
A .set back B .stood back C .held up D .kept down
17.I’d rather you ___ the book to me now.
A .will return B .should return C .return D .returned
18.The ___ stuck on the envelope says "By Air".
A .diagramB .labelC .signalD .mark
19.Although he was badly hurt,he ___ explain what had happened.
A .couldB .mightC .was able toD .could not
20.Have you had any ___ experience for this job?
A .beforeB .previouslyC .previousD .long ago

英语翻译
1.许多被训来打猎的狗现在都得了狂犬病(be infected with)
2.我们必须保持这种一代代相传的好传统(pass...on)
3.告诉那个刚跑了一百公里的年青人好好休息一会(cover a distance of...)
我只是看看你们翻得和我翻得是否一样

谁能帮忙分析of the infected students,only 5 percent actually became ill这句子的结构
如题

英语独立主格结构选择题～3题～
1.Her right eye becoming seriously infected,_______.
A.Mary jones went on leave from the company.
B.the company permitted Mary Jones a leave.
C.so did Mary Jones go on leave from the company.
D.leave was permitted by the company to Mary Jones.
请分析一下每一个选项..
2.He entered the room,his nose ______.
A.red with cold B.cold with red.
这个应该选哪个?为什么?
3.______,we went swimming.
A.Been a hot day B.The day being hot
为什么不能选a?能不能换成 Being a hot day?

So far, all of the infected people are thought _______ the flu after direct contact with sick birds. A．to have caught B．having caught C．to catch D．being caught

英语翻译
People can only be infected with HIV in a limited number of ways.

Two people confirmed on Saturday to be infected with bird flu ...请问句子中的两个to be是什么用法?
Two people confirmed on Saturday to be infected with bird flu were reported to be in critical condition yesterday after being tested positive for deadly H5N1 virus.
请问蓝色划线加粗斜体部分是什么语法?第一个to be infected可以写成being infected也可以,为什么要用to be呢?第二个去掉to be in critical condition,直接were reported in critical condition 好像语法上也没错误阿?能不能再举一两个相关的例子?
非常不好意思,问题比较弱智,请各位高手、大虾们伸出援制之手哦,
不好意思，发到百度上后，原先的标示没了。蓝色划线加粗部分就是两个to be的结构。
to be infected with...
to be in critical condition...

英语翻译
An estimated one-third of all people are infected with tuberculosis.But the body's natural defenses are usually strong enough to prevent an active case.Even so,the bacteria remain in the body.
中的”But the body's natural defenses are usually strong enough to prevent an active case”
我理解的翻译是”但是人体天生的防护通常能足够防止．．．”an active case不知道怎么译比较好．．