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【判断题】
生物大爆炸大概发生在5亿年前。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】听力原文：When will the order be delivered? (11)
A.
Some TV sets.
B.
Some computers.
C.
Some printers.
D.
Some recorders.
【单选题】------- Are there __________ computers in the classroom? -------Yes, there are ________.
A.
a , some
B.
some , any
C.
any , some
【简答题】On May 21, 2000, some American scientists were working at the computers to look for information they needed . Suddenly they saw a lot of very bright red spots crossing the computers’ screens. At the s...
【单选题】All computers need some sort of(71)(OS). Tile majority of modem home computers use some form. of Microsofts OS. The original Microsoft OS was called DOS though most computers use Windows. Windows come...
A.
Operated System
B.
Operated System
C.
Operating System
D.
Operation System
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