人防工程中旅馆位于两个安全出口之间的疏散门至最近安全出口的最大距离应为（）m。A、2

下列各项中，不应计入其他业务成本的有（）。

A.销售材料结转的材料成本

B.经营出租无形资产的摊销额

C.向灾区捐赠的固定资产

D.由于收发计量差错导致的原材料盘亏净损失

I’ll see to _______ that all these letters will be sent to the post before twelve.

A．it

B．me

C．which

D．them

.---____ did you leave the classroom? ---____ I saw my daughter sit down and read her book.

A．How long; After

B．When; Until

C．How long; Until

D．When; After

下列哪项不属于近距离放射治疗的()

A．组织间插植治疗 

B．腔内治疗 

C．术中放疗 

D．敷贴治疗 

E．埋管治疗

Many teenagers feel that the most important people in their lives are their friends．They believe that their family members, especially their parents．Don’t know them as well as their friends do．In large families．it is often for brothers and sisters to fight with each other and then they can only go to their friends for advice．

It is very important for teenagers to have one good friend or many friends．Even when they are not with their friends, they usually spend a lot of time talking among themselves on the phone．This communication is very important in children’s growing up, because friends can discuss something difficult to say to their family members.

However, parents often try to choose their children’s friends for them．Some parents may even stop their children from meeting their good friends. The question of “choice” is an interesting one．Have you ever thought of the following questions?

Who choose your friends?

Do you choose your friends or your friends choose you?

Have you got good friend your parents don’t like?

小题1:Many teenagers think their            know them better than their parents do．

A．friends

B．teachers

C．brothers and sisters

D．classmates小题2:When teenagers stay alone，the usual way of communication is to              ,

A．go to their friends.

B．talk with their parents

C．have a d discussion with their family

D．talk with their friends on the phone小题3:The passage suggests（暗示）that         ．

A．Parents cannot choose friends for their children successfully．

B．Perhaps some children’s friends are chosen by their parents．

C．Children won’t let their parents choose friends for them．

D．Parents often try to choose their children’s friends for them．