驾驶货车在高速公路遇施工路段时，应该（） A.加速通过施工路段 B.到施工现场前紧急

阅读理解。

     On weekdays,  Jim gets up at 6: 30. He has breakfast at 7: 00 and then he goes to school.  He goes to

  school with his friend,  Roy.  

     He goes to school at about 7: 30 every day.  He doesn't like to be late.  They start classes at 8: 00.

 They have lunch at school in the middle of the day.  In the afternoon,  they finish school at 3: 00,  and Jim

  can go home at about 4: 00. But they often play basketball on the playground,  and he gets home at

 5: 00. He has supper at about 6: 00 with his parents.

     In the evening,  Jim does his homework.  But he often plays computer games on Saturday evening.  He

 goes to bed at about 10: 30.

1.  —When does Jim get up on weekdays?  

    —He gets up at _____.

    A. six     

    B. half past six  

    C. seven  

    D. half past seven

2. —Where does he have lunch?    

    —_____.

    A. At school

    B. At home

    C. In the middle of the day

    D. In the afternoon

3. —Does Jim often play basketball after school?

    —_____. 

    A. Yes,  he is.  

    B. Yes,  he does.

    C. No,  he isn't.  

    D. No,  he doesn't.

4. The meaning of "get home" in Chinese is _____. 

    A. 回家

    B. 想家

    C. 到家

    D. 离开家

5. —What does Jim often do on Saturday evening?

    —_____ .

    A. Does his homework

    B. Read books

    C. Go to the cinema

    D. Play computer games

大修停车循环气管线置换过程中，可燃气浓度在（）以下可以用工厂风置换至合格。

A、0.1%

B、0.5%

C、1.0%

D、5.0%

半导体存储器可分为（）存储器和（）存储器两种。

下列关于比色分析原理的说法中，不正确的是（）。

A.液层厚度一定时，吸光度与待测物浓度成正比

B.用浓度和吸光度作曲线，其斜率决定于溶液的吸光系数

C.吸光系数随入射光强度改变而改变

D.液层厚度与吸光度成正比

E.吸光度与浓度成正比

所谓“治理”，一个很重要的方面是“建设”，这是社会治安综合治理工程的一项积极措施。因此，应是边建边治，建中有治。 ( )