哺乳类动物体内氨的主要代谢去路（）。A.渗入肠道 B.肾脏泌氨 C.肝脏合成尿素 D

Mrs.. Green sees an ad（广告） in a newspaper for a nice bed in a shop. It costs 100 dollars. Mrs.. Green likes it, so she goes to the shop. The shopkeeper shows one to her. Mrs.. Green has a look at it and says, “There aren’t any beautiful pillows(枕头)on this bed, but there are many on the bed in your ad.”

“Yes, madam, that is an ad,” answers the shopkeeper. “If you want a bed the same as the one in the ad, you need to pay 10 dollars more.”

Mrs. Green isn’t happy. Then she says, “That’s dishonest.”

“Well, madam,” answers the shopkeeper. “Look, there is a girl on a bike in an ad in your newspaper too, but can you buy the bike with the girl?”

小题1:How does Mrs. Green know about the bed?

A．From an ad on TV.

B．From one of her friends.

C．From an ad in a newspaper.

D．From the shopkeeper.小题2:How much does the bed with the pillows cost?

A．100 dollars.

B．110 dollars.

C．50 dollars.

D．60.dollars.小题3:What does “dishonest” mean?

A．不公平的

B．不诚实的

C．不美观的

D．小气的小题4:Who is Mrs. Green?

A．She is a student.

B．She is a shopkeeper of another shop.

C．She is a customer. She wants to buy a bed.

D．She is a worker in a bike shop.

原料采购

在过去的10年中，建造的住房被发现含有比老房子中平均来讲程度高得多的室内空气污染。新房子中空气污染程度较高的原因在于：这些房子被建在旧垃圾场或汽车尾气排放严重的地区附近。
下面哪个如果正确，对以上的解释提出了质疑( )

A．许多新房子建造时带有空气过滤系统，可以把室内产生的房屋污染去除掉。

B．压制板，一种新的现在场用于建造房子的便宜的胶合板替代物，把污染的甲醛放射到屋子里。

C．建造在僻静乡村地区的房子受空气污染影响相对较小。

D．对烟囱排放物的标准的放松导致了家中空气污染水平的上升。

下列关于计算机病毒的叙述中，错误的是______。

A．计算机病毒具有潜伏性

B．计算机病毒具有传染性

C．感染过计算机病毒的计算机具有对该病毒的免疫性

D．计算机病毒是一个特殊的寄生程序

下列选项中，属于公共财政的基本特征的有（）

A.满足社会公共需要

B.公共分配

C.收支行为规范化

D.具有非盈利性

E.具有盈利性