治安管理处罚条例第十三条规定：一人有两种以上违反治安管理行为的分别裁决，（）执行。A

看看你的应变能力，用所给单词的适当形式填空。

1. She _____ (return) the book to me yesterday.

2. The boy is the _____ (young) in our class.

3. The Yellow River is the second _____ (long) river in our country.

4. That girl was born in _____ (Greek).

5. Our team _____ (win) a game last month.

6. This isn’t take-away foot. It is home _____ (cook).

7. When I opened the door, I found Sandy _____ (play) on the floor.

8. Either my father or I _____  (work) on a farm this week.

9. My sister does some _____ (run) every morning, so she is very healthy.

10.Would you like _____ (have) dinner with me tonight?

小刚同学所描述的下列现象中不可能发生的是[ ]

A．寒冷的冬天，冰冻的衣服会变干

B．潮湿的夏天，从冰箱里取出的冰糕冒“白气”

C．有风的天气，游泳后从水中出来会感觉格外冷

D．冬天的早晨，窗玻璃外面会出现冰花

手足口病的好发年龄是（）

A.6月～1岁

B.1～2岁

C.5岁以下

D.3～6岁

E.6～9岁

液压油缸和油马达均属执行元件，其区别是什么？

某工程合同金额为400万元，当年完工，材料预付款比率为20%，主要材料费占合同价的比重为40%，则材料预付款的扣回起点为（）万元。

A.80

B.160

C.20

D.240