皮皮学，免费搜题
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【单选题】
怠速控制的实质，就是对怠速工况下（  ）进行控制。
A.
喷油量
B.
点火角
C.
进气量
D.
配气相位
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】How men first learned to invent words is unknown, in other words, the origin of language is a mystery. All we really know is that men, unlike animals, somehow invented certain sounds to express though...
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【简答题】For travelers with a sense of adventure and who so want to experience some of the history and mystery of the ancient world, here is a list of cool destinations that you may want to consider for your n...
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【单选题】The theory about a Snowball Earth is significant in that it can ______.
A.
decode the mystery of life
B.
predict the formation of a new supercontinent
C.
adjust the planet's climate
D.
prevent another Snowball Earth from happening
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【单选题】抛物线 的准线方程为
A.
x=1
B.
x=2
C.
x=-1
D.
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【单选题】??The "landing strips for aircraft"(in Paragraph 2) were really______??
A.
mysterious archaeological spectacles
B.
balloon landing places
C.
deserted airports
D.
ground-drawings on a vast scale
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【单选题】在Word中,如果打开了两个以上的文档窗口,可以在"______"菜单项中选择并切换到需要的文档窗口。
A.
窗口
B.
格式
C.
视图
D.
编辑
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【单选题】All of the following are mentioned to suggest that the Bermuda Triangle is really a mysterious area EXCEPT______.
A.
the U.S. cargo boat Marie Celeste
B.
five U.S. bombers on a routine training flight
C.
the U.S. Navy nuclear submarine Scorpion
D.
the U.S. Navy ship Cyclops
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【单选题】There is a mystery about his death and the police are_____it.
A.
looking for
B.
looking into
C.
looking after
D.
looking over
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【多选题】关于信息安全防护技术，以下表述正确的是
A.
消息摘要和数字签名都以密码技术为基础。
B.
消息摘要技术可以保证消息的真实性和不可否认性。
C.
访问控制包括认证、授权、文件保护和审计。
D.
隐私保护是指通过技术或法律手段对个人或组织的信息进行保护使其不被泄露。
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【单选题】抛物线的准线方程为 ，则抛物线的标准方程为(   )
A.
B.
C.
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【简答题】How men first learned to invent words is unknown, in other words, the origin of language is a mystery. All we really know is that men, unlike animals, somehow invented certain sounds to express though...
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【单选题】The theory about a Snowball Earth is significant in that it can ______.
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decode the mystery of life
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prevent another Snowball Earth from happening
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【单选题】??The "landing strips for aircraft"(in Paragraph 2) were really______??
A.
mysterious archaeological spectacles
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【单选题】在Word中,如果打开了两个以上的文档窗口,可以在"______"菜单项中选择并切换到需要的文档窗口。
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【单选题】All of the following are mentioned to suggest that the Bermuda Triangle is really a mysterious area EXCEPT______.
A.
the U.S. cargo boat Marie Celeste
B.
five U.S. bombers on a routine training flight
C.
the U.S. Navy nuclear submarine Scorpion
D.
the U.S. Navy ship Cyclops
查看完整题目与答案
【单选题】There is a mystery about his death and the police are_____it.
A.
looking for
B.
looking into
C.
looking after
D.
looking over
查看完整题目与答案
【多选题】关于信息安全防护技术，以下表述正确的是
A.
消息摘要和数字签名都以密码技术为基础。
B.
消息摘要技术可以保证消息的真实性和不可否认性。
C.
访问控制包括认证、授权、文件保护和审计。
D.
隐私保护是指通过技术或法律手段对个人或组织的信息进行保护使其不被泄露。
查看完整题目与答案
【单选题】抛物线的准线方程为 ，则抛物线的标准方程为(   )
A.
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C.
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