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【单选题】
A( )is a copy of a file for use in the event of failure or loss of the original.
A.
second storage
B.
buffer
C.
backup
D.
database
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参考答案：
举一反三
【简答题】写出下列各句的同义句 1. Li Ming and his parents had a good time in Shanghai last summer. Li Ming and his parents ________ ________ in Shanghai last summer. 2. Linda is old enough to look after herself. Linda is...
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【单选题】原命题为“若 互为共轭复数，则 ”，关于逆命题，否命题，逆否命题真假性的判断依次如下，正确的是（  ）
A.
真，假，真
B.
假，假，真
C.
真，真，假
D.
假，假，假
查看完整题目与答案
【单选题】Mrs. Li became a teacher in 1985. She ______ for twenty years by next summer.
A.
will teach
B.
would have taught
C.
has been teaching
D.
will have been teaching
查看完整题目与答案
【单选题】临床上用于诊断肝脏疾病的酶，下列哪组检测最恰当
A.
CK、GGT、ALP、AMY
B.
ALT、AST、ALP、GGT
D.
ACP、AST、Lipase、LDH D、AMY、LDH、α-HBD、GGT
E.
TnI、AST、ACP、CK
查看完整题目与答案
【单选题】原命题为“若 , 互为共轭复数,则 ”,关于其逆命题,否命题,逆否命题真假性的判断依次如下,正确的是( )
A.
真,假,真
B.
假,假,真
C.
真,真,假
D.
假,假,假
查看完整题目与答案
【单选题】Summer holiday is coming, Li Lei with his father_____to go to Shanghai. [     ]
A.
want
B.
will want
C.
wants
查看完整题目与答案
【简答题】听对话，回答问题。 1. What's Li Ming going to do in summer holiday? [     ] A. He'll visit his hometown. B. He'll stay at home. C. He'll visit some places of interest in the south. D. He'll stay at school. 2. ...
查看完整题目与答案
【单选题】Last summer he went to Italy. He was ___Italy l ast summer.
A.
at
B.
to
C.
in
D.
on
查看完整题目与答案
【简答题】阅读理解，判断正(T)误(F)。 Summer is coming. The summer sun is very hot. Li Ming likes summer. In summer he puts on his shorts, T-shirt and sandals. He likes to go for a walk with his parents. Sometimes he goes...
查看完整题目与答案
【单选题】John applied for the post of Eliot's secretary. Does he __________ the necessary patience and ability to do the job well? [     ]
A.
perform
B.
possess
C.
observe
D.
support
查看完整题目与答案
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【简答题】写出下列各句的同义句 1. Li Ming and his parents had a good time in Shanghai last summer. Li Ming and his parents ________ ________ in Shanghai last summer. 2. Linda is old enough to look after herself. Linda is...
查看完整题目与答案
【单选题】原命题为“若 互为共轭复数，则 ”，关于逆命题，否命题，逆否命题真假性的判断依次如下，正确的是（  ）
A.
真，假，真
B.
假，假，真
C.
真，真，假
D.
假，假，假
查看完整题目与答案
【单选题】Mrs. Li became a teacher in 1985. She ______ for twenty years by next summer.
A.
will teach
B.
would have taught
C.
has been teaching
D.
will have been teaching
查看完整题目与答案
【单选题】临床上用于诊断肝脏疾病的酶，下列哪组检测最恰当
A.
CK、GGT、ALP、AMY
B.
ALT、AST、ALP、GGT
D.
ACP、AST、Lipase、LDH D、AMY、LDH、α-HBD、GGT
E.
TnI、AST、ACP、CK
查看完整题目与答案
【单选题】原命题为“若 , 互为共轭复数,则 ”,关于其逆命题,否命题,逆否命题真假性的判断依次如下,正确的是( )
A.
真,假,真
B.
假,假,真
C.
真,真,假
D.
假,假,假
查看完整题目与答案
【单选题】Summer holiday is coming, Li Lei with his father_____to go to Shanghai. [     ]
A.
want
B.
will want
C.
wants
查看完整题目与答案
【简答题】听对话，回答问题。 1. What's Li Ming going to do in summer holiday? [     ] A. He'll visit his hometown. B. He'll stay at home. C. He'll visit some places of interest in the south. D. He'll stay at school. 2. ...
查看完整题目与答案
【单选题】Last summer he went to Italy. He was ___Italy l ast summer.
A.
at
B.
to
C.
in
D.
on
查看完整题目与答案
【简答题】阅读理解，判断正(T)误(F)。 Summer is coming. The summer sun is very hot. Li Ming likes summer. In summer he puts on his shorts, T-shirt and sandals. He likes to go for a walk with his parents. Sometimes he goes...
查看完整题目与答案
【单选题】John applied for the post of Eliot's secretary. Does he __________ the necessary patience and ability to do the job well? [     ]
A.
perform
B.
possess
C.
observe
D.
support
查看完整题目与答案
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