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:c
2.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:b
3.________ 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:c
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