在某一委托代理中，被代理人委托代理人进行违法代理活动，代理人据此接受了委托。根据相关

阅读理解。

     It is Sunday afternoon. Mary goes to do the shopping with her mother. Her mother wants to buy some

food for supper. Mary wants to buy a new skirt and some school things. They come to a shop.

     "What does your shop sell?" Mary asks, "A lot of things." The girl in the shop says. "You can buy food,

drinks, chothes in our shop and school things, too."

     Mary and her mother go in. there are many people in the shop. Mary finds a nice white skirt. "How much

is the skirt?" Mary asks the girl in the shop.

     "It's eighty yuan."　　

     "That's too dear. Can I find a cheap one?"

     "What about the green one? It looks nice. And it's only thirty yuan."

     "Ok, thanks a lot."　　

     "You are welcome."

     After that, Mary buys some school things, too. Here mother buys a lot of food, like bread, cakes, meat

and fish. They get home very late.

1. Mary goes to do the shopping with her mother on _________.

A. Saturday afternoon

B. Saturday morning

C. Sunday morning

D. Sunday afternoon

2. Mary wants to buy a new skirt and _________.

A. some food

B. some drinks

C. come clothes

D. some school things

3. The white skirt is _________.

A. ￥30

B. ￥110 　

C. ￥80

D. ￥100

4. Mary buys a _________ skirt.　

A. white

B. green

C. red

D. dear

5. The green skirt is _________.

A. nice but dear

B. nice and cheap

C. not nice but cheap

D. not nice or cheap

可输出回转运动的液压缸是（）。

A.摆动缸

B.柱塞缸

C.齿条活塞缸

D.多级缸

不是肠系膜上动脉的分支是（）

A.左结肠动脉

B.右结肠动脉

C.中结肠动脉

D.空肠动脉

E.回肠动脉

Dugas征阳性

汽轮机的内功率与总功率之比称做汽轮机的相对内效率。