问题 单项选择题 A1/A2型题

肺炎链球菌引起的感染多为()

A.内源性感染

B.外源性感染

C.医源性感染

D.交叉感染

E.接触感染

答案

参考答案:A

解析:肺炎链球菌在正常人的口腔及鼻咽部经常存在,一般不致病,只形成带菌状态。当机体免疫力下降时才致病,属内源性感染。

阅读理解

阅读下面短文,根据所给语境,按要求完成下列各题。

    1. Many people like animals and take them as their pets. Nowadays pet hospitals are very busy. We need

kind persons who love animals to work in busy animal hospitals.

    2. Scientists think that pets will probably be much smaller because people in the future will be living in

much smaller spaces. Scientists are already working on making very small farm animals. (1)The same things

might be done to make smaller cats and dogs.

    3. It's said that some day you might own a panther as a pet. Scientists might have to start turning wild

animals into pets. (2)This might be the only way to save them from dying out.

    4. What about a robot for a pet? This may sound silly, but it could become true. Robot dogs have been

made to bark like real dogs. These"pets" might become more and more popular in the future. After all, robots

don't lose hair or chew on things the way real pets do.

    5. Lots of people miss their pets while they are on holiday. One hotel in Minnesota has solved this problem.

They lend cats to their guests. Many experts believe this idea will become more and more popular. (3)It is

very possible that in the future you will be able to order a pet, as well as room service, at a hotel.

1. 将(1)处改为同义句。

    We ________ ________ the same thing to make smaller cats and dogs.

2. 将(2)处翻译成汉语。

    _________________________________________________________________

3. 根据(3)处完成下面的句子。

    It's possible ________ you ________ be able to order a pet and room service at hotel in the future.

单项选择题