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问题 单项选择题 B型题

35000粒/m3（35粒/L）≥0.5μm的尘粒数>3500粒/m3（3.5粒/L），大于等于5μm的尘粒数小于等于300粒/m3（0.3粒/L），符合的洁净度标准是（）

A.洁净度300000级

B.洁净度100000级

C.洁净度10000级

D.洁净度1000级

E.洁净度100级

答案

参考答案：D

完形填空

I want to tell you some things about Frank’s weekend. He is one of my best  . Frank usually gets up       on weekdays. He is never late for school.       at the weekend, he gets up late. He has breakfast at 9：00.Then he cleans his room and       the radio for about      hour. After that he       to do his homework. At about 11：30, he often cooks ___    for his family. In the afternoon, he usually plays volleyball       his friends. Sometimes he goes to the library and       books in the afternoon. He enjoys his weekend very much because it’s       for him. 

小题1:A. brother        B. classmate      C. friends

小题2:A. early         B. late           C. soon

小题3:A.And         B.But           C.So

小题4:A. hears        B. sounds        C. listens to

小题5:A. a            B. the            C.an

小题6:A.finishes       B. starts        C. want

小题7:A.breakfast      B. lunch        C. dinner

小题8:A.for           B. of           C. with

小题9:A.looks         B. sees          C. reads

小题10:A.boring       B. busy          C. relaxing
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单项选择题 A1型题

我国最近的《职业病防治法》是哪年颁布的（）

A.2005年

B.2002年

C.2000年

D.1998年

E.1997年
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