致石棉肺的物质是 A．石棉 B．玻璃棉 C．二氧化硅 D．木粉 _爱下问搜题

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问题单项选择题

致石棉肺的物质是

A．石棉
B．玻璃棉
C．二氧化硅
D．木粉D．水泥尘

答案

参考答案：A

完形填空

完形填空。

      Linlin is a boy. He 1 in the No. 5 Secondary School. Every day he gets up early in the morning. Then he
reads English 2 Chinese. 3 half past six he 4 breakfast. He goes to school 5 bike.
     Class begins at eight in the morning. There are four classes in the morning and two in the afternoon. Classes
6 over at four thirty in the afternoon. Sometimes he plays games 7 his friends. At five o'clock he leaves
school.
      In the evening, he does his homework. He likes watching TV. But he doesn't 8 it from Monday to Friday.
He can only 9   it on 10 and Sunday.

( ) 1. A. study
(   ) 2. A. of
(    ) 3. A. In
(   ) 4. A. has
(   ) 5. A. on
(    ) 6. A. am
(    ) 7. A. with
(   ) 8. A. watches
(    ) 9. A. sees
(    ) 10. A. Monday

B. studying
B. and
B. On
B. have
B. by
B. is
B. and
B. watching
B. watches
B. Tuesday

C. studies
C. but
C. For
C. eat
C. in
C. are
C. or
C. watch
C. look
C. Saturday

D. like studying
D. like
D. At
D. is eating
D. at
D. be
D. of
D. likes
D. watch
D. Friday

判断题

起动机的转速越高，流过电动机的电流就越大。