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问题 单项选择题 A1型题

仔猪梭菌性肠炎主要侵害仔猪，发生的年龄段主要集中在（）

A.7～12周龄

B.7～10日龄

C.1～3日龄

D.5～10周龄

E.35～70日龄

答案

参考答案：C

填空题

单词拼写。

1. Richey was glad to have a chance to ______ (采访) a few foreigners who attended "Join the Fun

    in Jinling" yesterday.

2. We can enjoy f______ air in the countryside.

3. We feel quite ______ /ri'lkst / when having a music class.

4. The astronauts ______ (描述) what they had seen in space.

5. The abacus was invented in the sixth ______ /senturi/ by the Chinese.

6. He r______ to go to the party so I had to go there instead.

7. It was cold,but the trip was ______. (令人愉快)　　　

8. We hope it will be sunny tomorrow, for our ______ /'piknik/.

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多项选择题

土地利用计划是指根据（），对各类土地的数量的具体安排。

A.土地利用总体规划

B.经济社会发展需求

C.各类不同土地的肥力

D.各类不同土地的价格
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