Question

阅读短文, 根据其内容, 选择恰当的句子补全短文，使其意思完整、通顺。

Have you ever been ill? When you are ill, you must be unhappy because your body becomes hot, and there are pains all over your body.    46  you stay in bed, feeling very sad.

What makes us ill. It is germs(细菌).  47   They are very small and you can’t find them with your eyes, but you can see them with a microscope(显微镜). They are very very small and there could be hundreds of them on a very small thing.

  48  _When we look at dirty water under the microscope, we shall see them in it. So your father and mother will not let you drink dirty water.

   49  They are found in air and dust(灰尘). If you cut your finger, if some of the dust from the floor goes into the cut (伤口) ,  50  Your finger would become big and red, and you will have much pain in it. Sometimes the germs would go into all of your body, and you would have pain everywhere.

A. Germs aren't found only in water.   B. You don’t want to work,  C. Germs are everywhere.           D. Germs are always found in dirty water.  E. some of the germs would go into your finger.

Answer

 B

 C

 D

 A

 E

【解析】

试题分析：

 细节理解题，根据文中语句“there are pains all over your body.”理解可知。当你生病时，你只想睡觉，不想工作故选B。

 细节理解题，根据文中语句“What makes us ill. It is germs(细菌).”理解可知。上文涉及到了细菌，紧接着就要介绍细菌的习性及特点，故选C。

 细节理解题，根据文中语句“When we look at dirty water under the microscope,”理解可知。此处涉及到脏水里的细菌，故上文要选D。

 细节理解题，根据文中语句“They are found in air and dust(灰尘).”理解可知。细菌不仅仅在水里，它还在空气和灰尘中，故选A。

 细节理解题，根据文中语句“Your finger would become big and red,”理解可知。手指出现红肿的原因，故选E。因为是细菌进入到手指。

考点：医学科普知识。