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【单选题】
计算机感染病毒的可能途径是( )。A.
运行外来程序
B.
从键盘输入统计数据
C.
机房环境不清洁,存在病菌污染
D.
机房电源不稳定
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【单选题】___________the many ways illegal immigrants come into the United States every year, the vehicle c
A.
32．___________the many ways illegal immigrants come into the United States every year, the vehicle crammed with crowds seems to be the method of choice lately, however, tragedies such as deaths on the journey to the destination, are sometimes reported nowadays． A．In
B.
For
C.
Of
D.
On
【单选题】下列有关汽车轮胎不平衡的描述()是正确的
A.
静态不平衡会引起摆动
B.
静态不平衡会引起车轮颠簸
C.
动态不平衡会导致车轮产生棱边
D.
静态不平衡会导致车轮产生棱边
【简答题】A Watch the video. Read the statements. Write T or F.
【简答题】_______________________ (我们必须考虑的因素) is the number of illegal immigrants in these two countries.
【单选题】According to the text, illegal immigrants in the US ______.
A.
are not allowed to apply for colleges
B.
have already had an immigration law
C.
can not join any community
D.
cannot get a job for living
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