Unit 3 A healthy life grammar课时作业

第一节(共5小题；每小题2分，满分10分)

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

　　A great number of people can get injured or even killed resulting from a human stampede (踩踏). The bad thing is that a peaceful group of people can quickly turn into a crazy panicked crowd. __1__ If you are in a crowd, the most important thing is to make yourself familiar you're your surroundings and mentally notice the exits. No matter where you are, make sure you always know how to get out. ___2___ If you are in a crowd of moving people, wet or uneven ground can be slippery or dangerous, causing you to fall.

　　Be aware of the general atmosphere of the event, as panic situations can often be expected. When in danger, a few seconds can make all the difference. If you find yourself in the middle of a moving crowd, do not fight against the pressure, do not stand still or sit down. ___3__ Take advantage of any space that may open up and try to move sideways to the crowd movement where the flow is weaker.

　　_______4_____ -It gives you movement and protects your chest.

　　If you fall, get up quickly. If you fall and cannot get up, keep moving by crawling in the same direction of the crowd, or if that is not possible, then cover your head with your arms and curl (蜷缩)up. ___5___ . Sometimes, finding a right posture can save your life.

A.Make yourself aware of the type of ground you are standing on.

B.Do not lie on your stomach or back, as this dangerously exposes your lungs.

C.If you are stepped on, you should shout for help.

D.Instead, move in the same direction of the crowd.

E.Keep your hands up by your chest, like a boxer.

F.Stretch your arms to the full length so that you can make more space to move in the crowd.

G.What's worse is that the stampede can be caused while there seems no actual danger.

答案　1.G　2.A　3.D　4.E　5.B

第二节　完形填空

阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项。