伊利石比它的原生矿云母少钾、多水。因此它又称为()。

题型:填空题

问题:

伊利石比它的原生矿云母少钾、多水。因此它又称为()。

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题型:填空题

Read and choose. (阅读练习)       

     Today is Sunday. Sam and Amy are going to the zoo. They are very happy. The zoo is very

beautiful. Amy and Sam like the lake in the zoo.

     Many ducks are swimming in the lake. Some birds are flying in the sky. The monkeys are

sleeping. Two tigers are fighting. Sam and Amy are looking at them. An elephant is drinking water.

It's very heavy and big. Amy and Sam like them very much. Do you love animals?

1. Where are Amy and Sam? They're in a ____.                     

A. zoo                

B. park                

C. farm

2. Does Amy like the zoo?              

A. Yes, she does.  

B. No, she doesn't.  

C. Yes, they do.

3. What are tigers doing?              

A. swimming          

B. running              

C. fighting

4. Is the elephant heavy and big?              

A. Yes, they are.    

B. No, it isn't.        

C. Yes, it is.

题型:填空题
用方框中所给单词的适当形式补全短文,每空只限一词。
Learn, poetry, thought, poem, express, decide, poet, wish
     We studied__1   in school this week. I read my different kinds of   2    .Poetry is a beautiful way to    3     feelings and    4    . I __5      I could be a great   6    . So I    7    to work hard and   8     some poems by heart.    
题型:填空题

检查卵巢功能常用的方法有

A. * * 脱落细胞的检查

B.子宫内膜的检查

C.宫颈黏液的结晶

D.测基础体温

E.宫颈刮片

题型:填空题

鼓风机停运后()。

题型:填空题

有六个人的平均年龄是16岁,把其中一个人换成另外一个13岁少年后,再增加一个20岁的青年,这七个人的平均年龄则变为18岁。被换掉的那个人的年龄是多少( )

A.6岁
B.3岁
C.5岁
D.4岁

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