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【单选题】
一个完整的计算机系统包括(5)。A.
主机、键盘、显示器
B.
计算机及其外部设备
C.
系统软件与应用软件
D.
计算机的硬件系统和软件系统
手机使用
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举一反三
【单选题】Melankomas wanted to become athlete because ______.
A.
he believed that it was less difficult than becoming a soldier
B.
he was undefeated throughout his career
C.
it was the most honorable and most strenuous path open to him
D.
an athlete would endure more difficulties
【简答题】A．He found it unbelievable. B．He was not surprised about it. C．He found the troth unacceptable. D．He was arrogant about it.
【单选题】Mary found ________. [ ]
A.
Chinese difficult to learned
B.
Chinese difficult to learn
C.
it difficult to learn Chinese
D.
herself difficult to learn Chinese.
【简答题】When he arrived, he found _________ the aged and the sick at home. A) none but B) none other than C) nothing but D) no other than
【单选题】-What is John looking for? -__________. [ ]
A.
He has already found his mobile phone
B.
He hasn't found his mobile phone yet
C.
He has lost his mobile phone
D.
He has just found his mobile phone
【单选题】What did he find on the way?
A.
He found a rich person.
B.
He found a box of good apples.
C.
He found an apple tree.
【单选题】Although it is the first time he takes up such a big task, never ______ afraid of difficulties.
A.
he has been
B.
has he been
C.
has been he
D.
been has he
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