主洗塔出口总S含量()0.1PPm。 A.≥ B.≤ C.< D.>

题型:单项选择题

问题:

主洗塔出口总S含量()0.1PPm。

A.≥

B.≤

C.<

D.>

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题型:单项选择题

阅读理解。

     One day, when my wife and I were leaving a restaurant, I heard a man's voice from a car in the car-park.

After a quick look at the ear, I noticed the Pennsylvania license plate (牌照) at once, so I knew they had come

from far away. The young man had his head partly out of the window and spoke to me as I moved closer,

"Excuse me, my wife and I are trying to find a room for the night and every place in the area seems to be filled

up. Do you have any suggestions for us where we might find a room?"

     Well, that didn't surprise me. After all, it was the busy time of the year for tourism. As he spoke, I noticed

that his wife was pregnant (怀孕的). I told them that they should just keep searching (搜寻) and wished them

good luck in their search. The young husband didn't say any other word and backed out of the car-park and

headed off. We also got into our car and drove home.

     After a short drive, I couldn't get this young couple out of my mind. Here they were, traveling in a different

state, tired, the wife pregnant. It was at that moment that my wife told me we needed to go back and find that

couple. We went back and looked for them. We even went as fat as the mountain. I'm happy that this story had

a happy ending. We found them in the end, gave them a room, and now we are close friends.

1. The main problem the young couple had was that they couldn't _____.

A. find a place for the night

B. find a doctor

C. find their way

D. afford to stay at a hotel

2. When the writer told him to keep searching, the young husband _____.

A. was very happy

B. continued to ask other questions

C. thanked him and drove away

D. said nothing and drove away

3. We can reach a conclusion from the passage that _____.

A. the writer didn't agree with his wife

B. the writer's wife was a kind person as well

C. the writer had no trouble finding the young couple

D. the young couple found a room in a hotel in the end

题型:单项选择题

下列有关分类的叙述中,错误的是(  )

A.种是分类的最基本单位

B.分类的主要依据是生物的形态结构(性状)等方面的特征

C.分类的单位由小到大依次是:界、门、纲、目、科、属、种

D.分类单位越小,其中所包括的生物共同特征就越多

题型:单项选择题

来源于姜科植物的药材有()

A.姜黄

B.香附

C.郁金

D.三棱

E.莪术

题型:单项选择题

保尔为何决定戒烟?

题型:单项选择题

有人说语言是古代文化的“活化石”,这说明语言具有()。

A.交际功能

B.思维功能

C.文化录传功能

D.认知功能

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