年轻恒牙容易受外伤的年龄是（） A.6岁 B.6～7岁 C.7～9岁 D.9～12岁

阅读理解。

     It's Jimmy's birthday and he is 9 years old. He gets a lot of presents from his family and one of them is a

big drum (鼓). His grandfather buys it for him.

     Jimmy likes it very much. He plays with it every day and he often makes a terrible noise (可怕的声音). His

father works in the day and Jimmy is in bed when (当…时候) he gets home in the evening. So his father doesn't hear the noise.

     But Mrs. Black doesn't like the noise, so one morning she takes a sharp (锋利的) knife and goes to Jimmy's

room when he hits his drum. She says to him, "Hello! Jimmy. Do you know there is something very nice in your drum? Here is a knife. Please open the drum and let's find it."

1. What presents does Jimmy get on his birthday?

A. He gets only one present from his grandfather.

B. He gets a lot of presents.

C. He gets a knife and a drum.

D. He gets a drum from Mrs Black.

2. Who gives Jimmy a drum?

A. His mother buys it for him.

B. Mrs Black buys it for him.

C. His father's friend buys it for him.

D. His grandfather buys it for him.

3. When his father gets home in the evening, what does Jimmy do? 

A. He hits his drum with his grandfather.

B. He watches TV with Mrs Black.

C. He sleeps in bed.

D. He does his homework with his grandfather.

4. What's the Chinese meaning of "hits" in this passage?

A. 敲击

B. 拿着

C. 知道

D. 看见

5. Mrs. Black gives Jimmy a knife because (因为) _______.

A. she likes Jimmy's drum

B. she knows there is something in the drum

C. she doesn't like the noise

D. she wants to know what is in the drum

阅读课文选段，回答问题。

（1）写出选文中的两组反义词。

（　　）——（　　）　　（　　）——（　　）

（2）填空。

一（　　）鸭子　　一（　　）苹果　　一（　　）枣

采用“挤注”法成形，其面坯的形态应为( )。

A．颗粒状状

B．液态状

C．块状

D．稀浆状

类风湿性关节炎可有以下哪些临床表现()

A．全身酸痛

B．低热

C．多关节肿痛

D．关节表现常为非对称性

E．贫血

卡瓦打捞筒是从落鱼外壁进行打捞的不可退式工具，它除了可以抓捞各种油管、钻杆、加重杆、长铅锤等外，还可对遇卡管柱施加扭矩进行（）。

A.大力上提

B.洗井

C.倒扣

D.切割