问题 单项选择题

慢性肺心病最常见的病因是()

A.支气管哮喘

B.支气管扩张

C.慢性支气管炎

D.重症肺结核

E.肺间质纤维化

答案

参考答案:C

填空题

仔细阅读下面短文并按照语境完成填空(每空只能填一个单词)

     Recently our classmates have had a heated discussion about the topic "Environment or economy, must we choose?" .Some students are in 1._______ of the development of environment, while others put

economy above environment.

     The students 2.______ are worried about the environment say that many plants and animals have died and fish are even given no time to lay eggs. Besides, water and air are seriously polluted, causing people

sick. While we damage our environment, we keep producing more and more people who need more land

to live 3.________ and more food to eat.

     As to the students for economy, they think, first of all, people are more important 4.______ plants and animals. As a matter of fact, many companies and factories are very concerned 5._______ the

environment and have a sense of responsibility. In addition, with the development of economy, more jobs will be created.

     In my opinion, firstly, we should produce more things from recycled materials, and less 6._______ raw materials. 7._________, more effective laws to preserve the environment should be made, which controls the scale(规模)of trees-cutting and fish-catching. Thirdly, we try to live an environmentally friendly way of

life and pay slightly higher prices for things 8.______ are environmentally friendly. Finally, companies

producing chemical waste should pay higher taxes. With these measures, I believe that a healthy

environment and a stable(稳定的)economy should be possible at the same time.

单项选择题