下列属于雪灾防御措施的是（） A.汽车减速慢行，路人当心滑倒 B.老、幼、病、弱人群

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     Once upon a time there lived an old man. He had three sons. One day, he called them together

and said, "Sons, I will die soon. To my oldest son I give half my camels, to my second, one-third

(三分之一), and to my youngest, one-ninth (九分之一)." Soon after that he died.

     Now, the old man had seventeen camels, and the three brothers didn't know how to do as their

father said. They thought a long time about the problem, and it seemed that they must either kill some

of the camels and cut them into pieces, or disobey their father. At last they went to their father's old

friend and asked for his advice. As soon as he heard their story, he said, "I will help you. I was a

good friend of your father's. I am old. I have only one camel, but take it-it is yours." The three sons

thanked the old man and took his camel. Now they found it was easy to do as their father wished,

The oldest took half that was nine camels; the second took one-third, that was six; and the youngest

took one-ninth, that was two.

     After each had got his camels, they found that there was still a camel there. So, to show their thanks

to their father's friend, they gave the camel back to him.

1. "Once upon a time" means "__________".

A. long long ago

B. not very long ago

C. at once

D. sometimes

2. The meaning of "disobey" in the second paragraph is "__________".

A. 服从

B. 违背

C. 听从

D. 嘲笑

3. The meaning of "asked for his advice" in the second paragraph is " __________".

A. 向他请教

B. 问他数量

C. 批评他

D. 劝告他

4. The second old man __________ the three brothers.

A. was good to

B. was not good to

C. didn't like

D. cheated(哄骗)

5. Both the two old men in the story were __________.

A. foolish

B. clever

C. poor

D. rich

根据税法规定，甲企业可以扣除的计税工资的标准为每人每月不超过( )。

A．500元

B．600元

C．800元

D．960元

对霉菌、细菌均有较强的抑制作用的是（）

A.苯甲酸类

B.羟苯酯类

C.山梨酸钾

D.75%乙醇

E.30%甘油

如何解释国债的规模？

（）是固态物料流态化的主要过程。

A.低速度

B.高速度

C.低浓度

D.高速度、高浓度、高通量