多能干细胞在医学领域的应用及举例

12.5与8的积乘0.85是多少？

夜间阵发性呼吸困难常见于

A．右心功能不全

B．左心功能不全导致肺瘀血

C．肺炎

D．成人呼吸窘迫综合征

E．房间隔缺损

Please make a list of ______ the celebration will need for the coming New Year and I’ll do the shopping.

A．what

B．which

C．when

D．where

阅读理解

     Let us suppose it is now about A. D. 2060. Let us believe it is about sixty years from now. Of course,

things have changed and  life is very different.

     Voyages to the moon are  being made every day. It is as easy to take a holiday on the moon today as it was for the people in 1960 to take a holiday in Europe. At a numher of scenic spots on the moon, many

hotels have been built. The hotels are air-conditioned, naturally. In order that everyone can enjoy the

beautiful scenery on the moon, every room has at least one picturewindow. Everything imaginable is provided for entertainment(娱乐)  of young and old.

     What are people eating now? People are still eating food.  They haven't yet started to take on heir

(继承) supply of energy directly as electrical current or as nuclear power. They may some day. But many

foods now come in pill form, and the food that goes into the pill continues to come mainly from green plants.

     Since there are several times as many people in the world today as there were  a hundred years ago,

most of our planet's surface has to be filled. The deserts are irrigated with water and pests no longer

destroy crops. The harvest is always good.

     Farming, of course, is very highly developed. Very few people have to work On the farm. It is possible to run the farm by just pushing a few buttons now and then.

     People are now largely vegetarians(素食者). You see, as the number of people increases, the number of animals decreases. Therefore, the people have to be vegetarians and we are healthier both in our bodies and in our minds, and we know the causes and cure of disease and pain, and it is possible to get rid of

diseases. No one has to be ill any more,

     Such would be our life in 2060.

1. According to the passage, what will be on the moon in about A.D. 2060?   

A. Many tourists.

B. Many other animals.

C. Many plants.

D. A sea.

2. What will people eat then according to the passage?   

A. Biscuits in pill form.

B. Foods in pill form.

C. Foods in water form.

D. Foods in gas form.

3.The passage tells us that in 2060, _     on the earth than now.   

A. there are fewer population

B.there are more pests

C. there is less water

D. the crops are getting better

4. Why are people largely vegetarians in 2060?    

A. Because they don't eat meat.

B. Because doctors advise them not to eat meat.

C. Because the number of animals decreases.

D. Because all the animals have died of diseases.

塑料成形的方法有

A．水浴热聚法

B．冷凝聚合法

C．微波聚合法

D．自凝成形

E．光固化成形