隔绝采煤工作面火区时，密闭墙的位置一般视（）位置而定。A、火源 B、瓦斯涌出 C、冒落区

I’m taking my family to other countries to have a trip. My wife and I and our two children are all going along. My elder brother will go with us, too. He has never been overseas(海外的) and he is even more excited than the children. My father is so old that he’d like to stay at home and take care of the house.

We’re going to New York by train, and then take a ship to Europe . When we arrive in Europe（欧洲）, we’re going to some countries for sightseeing (观光). We’ll go to places either by train or by bus. We’re going to fly home.

It took us a long time to decide where to go, but I think we’ll have a very interesting trip. We’ll go to England, France and Italy. We also talked about how we would go to Europe. At first we wanted to fly because it would be faster and would save more time, But my brother likes to take a boat trip and the children like that, too.

小题1:How many people of the family will go to have a trip?

A． Three

B．Four

C．Five

D．Six小题2:My father will not go on the trip because ____.

A．he doesn’t like travels

B．staying at home is more interesting

C．he is too old to travel

D．nobody wants to take him along小题3:We’re coming back home by_____ .

A．sea

B．plane

C．bus

D．train小题4:In Europe we will _____.  

A．go sight-seeing at the seaside

B．to go to different countries by ship

C．buy a lot of presents

D．go from place to place by train or by bus小题5:My brother and my children would like to _____.

A．do some shopping in Europe

B．study the Italian language in Italy

C．enjoy a trip by ship

D．learn French in France

反映体内贮存铁量的指标（）

A.总铁结合力

B.血清铁

C.血清铁蛋白

D.骨髓铁染色

E.血清铁饱和度

A公司于2007年4月5日从证券市场上购入B公司发行在外的股票200万股作为可供出售金融资产，每股支付价款4元(含已宣告但尚未发放的现金股利0.5元)，另支付相关费用12万元，A公司可供出售金融资产取得时的入账价值为( )万元。

A．700

B．800

C．712

D．812

继电保护装置是反映电力系统中各种电气设备（）和（）的自动装置。

非竞争性拮抗药（）

A.与激动药不争夺同一受体

B.可使激动药量效曲线右移

C.不能抑制激动剂量效曲线最大效应

D.与受体结合后能改变效应器的反应性

E.能与受体发生不可逆的结合的药物也能产生类似效应