无差异市场营销策略致力于客户要求的（）．

2009年12月31日，国家统计局发布了2009年全国粮食总产量的公告。根据国家统计局对全国31个省(区、市)的抽样调查，2009年全国粮食总产量10616亿斤，比上年增加( )亿斤，增长0.4%。

A．38
B．40
C．42
D．44

根据句意和所给英文，中文，首字母提示写出单词，完成句子。

1. Can you help Tom with ________(he) homework?

2. My cousin often ________(fly) a kite in spring.

3. The shop is ________(close) at this time of day.

4. My bother buys two ________(e-dog) in the morning.

5. We__________(China) eat rice every day, but the English don't.

6. Yao Ming and Kobe Bryant are my favourite basketball__________(play).    

7. He has no time to have lunch. He is b__________.

8. Tomorrow is Millie's birthday. I want to buy her a p___________.

9. 《Let the bullet fly》(让子弹飞) is an interesting f__________.

10. They play football on the football f__________.

11. Mr Wu is our maths teacher. He t___________ us maths.

12. Amy is a member of the Swimming Club.She is a very good s____________.

13. W__________ would you like? I'd like this yellow one.

14. Halloween is on O___________ 31st. People in the West celebrate it.

15. At the weekend, I usually go__________(跑步) for half an hour.

16. They go to the Reading Club __________(两次) a week.

17. On Mondays and __________(星期三), Simon plays football with Sandy together.

18. We cut out the eyes,the nose and the sharp __________(牙齿) to make pumpkin lanterns.

19. On Millie's birthday,her friends share the big cake ________(和) her.

20. Nick often looks for things on the __________(因特网) at the weekend.

电磁传感器是根据（）共作的

A、电磁原理

B、电热效应

C、光电感应原理

D、电磁效应

发动机无负荷测功检测方法可分为（）和测加速时间。

A.测瞬时加速度

B.测加速距离

C.测力矩

D.测反力

EVB中的边缘中继相当于vSwitch，它有几个下行口（）

A.至少1个

B.至少2个

C.1个

D.0个