引起艾滋病病毒(HW)条件感染的微生物主要有

A．细菌、病毒、原虫、支原体

B．细菌、病毒、原虫、螺旋体

C．细菌、病毒、真菌、原虫

D．细菌、病毒、真菌、衣原体

E．细菌、病毒、真菌、立克次式体

任务型阅读。

    People often complain (抱怨) about buses in Shanghai. The dirty smoke from the buses pollute our city.

Buses are always full of    (1)    and it's    (2)    to get a seat. (2) 有时人们得等很长时间, but the bus doesn't

come. And some bus drivers stop the bus suddenly, so people on the bus may fall down and get hurt easily.

It is natural that not so many people like to take the bus. (3) If the bus service can be made better, there will

be fewer traffic problems. Then people will feel it convenient to go anywhere in our city.

1. 在空格处填上合适的词。

    (1).                     (2).                   

2. 将(2)处译为英文。 

3. 将(3)处译为中文 。 

4. 在文章中找出下句的同义句，并写在横线上。

    People on the bus may fall down and get hurt easily because some bus drivers stop the bus suddenly.

5. 找出文章的中心句。