发现有人触电时，选择救援措施是（） A.迅速关闭电闸，切断电源 B.使用绝缘工具使触

阅读理解。

     Doctor Clark was a very busy man. He always worked hard. He often forgot his family's birthday.

He loved his wife. He wanted to give her a present. On his way home from his hospital he bough some

beautiful flowers in a shop. When Doctor Clark got home, he gave his wife the flowers and said "Happy

birthday to you, dear! It's September26 today, I remembered your birthday this year." Mrs. Clark

laughed and said, "My birthday was the day before yesterday. But thank you all the same. Better late

than never!"

1. What did Clark buy when it was his wife's birthday?

A. Some flowers  

B. Nothing  

C. Some food  

D. Some drinks

2. Where did Clark work?

A. In a shop  

B. In a family  

C. In a hospital  

D. In a store

3. What day is Clark's wife's birthday?

A. The day before yesterday    

B. Today

C. September            

D. September24

4. Why did he forget his family's birthdays? Because ______.

A. he is too old      

B. he is a doctor  

C. he is not busy    

D .he works very hard

读下列汉字，按要求填空。

 俱 默 毕 骂 承 既 替 纠 抄 禁 博 若 缩 肃  

1．左右结构的字：                                                                                                       

2．上下结构的字：                                                                                                       

3．独体字：                                                                                                                 

4．按笔画数由少到多排列的顺序是：                                                                           

5．按音序排列的顺序是：                                                                                           

一辆汽车从甲地开往乙地的过程中，前一半时间内的平均速度是30km/h，后一半时间的平均速度是60km/h，则在全程内这辆汽车的平均速度是（　　）

A．35km/h

B．40km/h

C．45km/h

D．50km/h

下列各句中，有语病的一句是[ ]

A．这次活动征集了近千幅老照片，这些照片都是家庭生活的瞬间定格，却无不刻有时代的痕迹，令人过目难忘。

B．科技创新要“以民为本”，这就要求科技工作者改变“公益类科技就是低端技术”的观念，打造“民生科技”。

C．我国残疾人公共服务，主要是由康复、特殊教育、就业、托养、无障碍设施、文体服务等专项内容构成的。

D．大选前18个月，奥巴马就开始接受特勤局保护，部分原因在于许多带有种族色彩的言论都是针对他引起的。

不孕原因中，男性因素与女性因素各占50％。