the weater in beijing is usually _____ (SUN)IN SPRING

上楼的全对,不过倒数第二个是不是child
以后做这种题目已一定规律
1foot－feet goose－geese（鹅）tooth－teeth
2dear－dear（鹿）fish－fish sheep－sheep[这些都是可数的,注意]
3sheif－sheives ……去f加ves
4box－boxes bus－buses ……x和s后加es
5potato－potatoes ……O后面加es
6直接加s
…………………………
还有不少情况,上述的也不是绝对使用,只是大多是是这样

应该是 The weather吧.
意思是加利福尼亚的天气真好.（过去式）

亲,答案大概是这样.
1.sunny
2.at
3.are
4.swimming
5.sitting
6.talking
7.from
8.weater
9.relaxed
10.fun
不过weater的意思是什么啊?我只查到weather,找不到相关意思.

I live in Dali.It's a beautiful city.The weather here is fine.
There are four seasons here:spring,summer,autumn,and winter.
Spring comes usually between February and March.It's warm here in spring.The beautiful sunshine shines softly.Sometimes it rains,but not heavily.It only drizzles.The West Lake is beautiful both on fine days and on rainy days.I often go there appreciating the beauty of the lake and the hills around it.
Summer comes after spring in May or in June.It's hot here in summer.Sometimes the temperature reaches as high as 41 degree.We usually stay at home in summer.Sometimes it rains.The rain is more heavy than that in spring,but it never storms.
Autumn is between September and November.The first half of autumn is still very hot,but the second half of it is rather cool.It seldom rains in autumn.It's a harvest season.I like it.
Winter comes in November.It is a cold season.Sometimes it snows.When it snows,we children often go out to play in the snow.It often frosts.When it frosts,the roads are very slippery.It's hard to drive or ride a bike.
I love my city.Welcome to our city.

选C.that指代weather,因为前面那句是用 in Biejing,所以后面用in + 地点（用来比较的）,因此选C

Whoses that weather is

答案 A
解析　take out 拿出
put out 扑灭
want out 没有这个短语
make out 辨认出,理解,明白
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第一种 what is the weather like in your country ?
第二种 How is the weather in your country ?

先说下,不是“weatern blot”,而是“Western blot”
1.
说明书上的WB,IP,IF等分别是英文缩写：
WB,Western blot; 蛋白质杂交
IP,Immunoprecipitation; 免疫沉淀
IF,Immunofluorescence.免疫荧光
2.抗体都一样,由上述缩写可知,区别在于它们用于不同的实验技术.
所以,如果你的实验要用免疫荧光,那就买偶IF标记的抗体即可,其他类推.

What a

A.
第三人称单数形式