题目内容
—You are late. The meeting __________for about ten minutes.
A.has begun B. began
C.has been on D. was on
C
【解析】
试题分析：句意：你迟到了。会议已经开了10分钟了。Begin开始，短暂性动作，不能接段时间；be on开始，上演，表示状态，句中for about ten minutes用在现在完成时中，be on的现在完成时可以接短时间。根据句意故选C.
考点：考查现在完成时。
According to the Center for Disease Control and Prevention(CDC)(疾病控制预防中心)，if you don’t often wash your hands, you can pick up viruses(病菌) from many places and make yourself ill. You’re at risk every time you touch your eyes, nose or mouth. In fact, one of the most common ways people catch colds is by rubbing their noses or their eyes when there are cold viruses on their hands. If you don’t often wash your hands, especially when you’re sick, you may spread the viruses directly to others, You should wash your hands in the following situations:
After using the bathroom.
After blowing your nose or coughing.
Before eating, serving or preparing food.
After toughing pets or other animals.
After visiting anyone who is sick.
When your hands are dirty.
There’s right way to wash your hands. Follow these simple steps to keep your hands clean.
Use warm water(not cold or hot).
Wash for 15 seconds.
Rinse(冲洗)well under warm running water and dry them with a clean towel.
Information Card
Way to protest against(防止) the spread of illness | 1. . |
Correct way to wash your hands | Use running water which is2. . |
Situations in which you must wash your hands | After using the 3. . Before having ,serving or preparing food. After visiting 4. people. |
Time needed to wash your hands | 5. . |
