Units 7~8 Living with disease First aid Ⅰ
单项填空1.Runners for the Olympic Games have to ________ before and after the race
A.get test B.get testing C.get tested D.get to test解析:get tested 相当于 be tested,是一种被动语态形式
答案:C2.This computer doesn’t work properly, because a certain virus has ________ the operating system
A.broken up B.broken down C.broken out D.broken away解析: 题意是“一种病毒破坏了操作系统
”break down“破坏;出故障”
答案:B3.________ with foreign countries can bring us much information about the world
A.Collection B.Competition C.Contact D.Consumer解析: 题意是“与外国联系可使我们了解世界
”contact with“与……联系”
答案:C4.—Why is the university doing so much building
—________ number of students ________ so rapidly
A.The;have increased B.A;have increased C.The;has increased D.A;has increased解析:题意是“学生的数量在飞快地增加
”the number of 意为“……的数量”,作