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【单选题】
在以下对通用串行总线(USB)接口特点的描述中，不正确的是 (7) 。
A.
由4条信号线组成，其中两条用于传送数据，另外两条传送控制信号和电源
B.
支持即插即用及热插拔
C.
可经过集线器(HUB)进行5层树状连接，该总线
D.
USB 2.0的数据传输速率可达480Mbps
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皮皮学刷刷变学霸
举一反三
【单选题】We’ll our homework to our teacher email.
A.
sent,by
B.
send ,by
C.
send ,on
D.
sent, on
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【单选题】设a='计算机等级考试'，结果为'考试'的表达式是( )。
A.
Left(a,4)
B.
Right(a,4)
C.
Left(a,2)
D.
Right(a,2)
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【简答题】2kV= V ,610mV= V,1mV= μV= V
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【单选题】You needn't look to the right and left in England.
A.
Right.
B.
Wrong.
C.
Doesn' t say.
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【简答题】用适当的介词填空。 1. This is a shop ____ the hotel. 2. We want to send this letter ____ our teacher. 3. Jenny writes the postcards ____ February fourth. 4. She writes ____ the left ____ the postcard. 5. Danny...
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【判断题】严禁将食品、餐具带进实验室,但可以将无害的化学试剂带出实验室。
A.
正确
B.
错误
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【单选题】It is known that water is not ______ endless resource, nor ______ that can be made once more. [     ]
A.
The; /
B.
an; one
C.
an; that
D.
/ ; one
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【单选题】The right thing about the left atrium is ()
A.
It has left auricle
B.
It has venous sinus
C.
It is the entrance of pulmonary vein
D.
It is located in the left posterior part of heart base
E.
all of the above are right
查看完整题目与答案
【判断题】可以将食品带进化学实验室
A.
正确
B.
错误
查看完整题目与答案
【简答题】2kV= A,610mV= V,1mV= μV= V
查看完整题目与答案
相关题目：
【单选题】We’ll our homework to our teacher email.
A.
sent,by
B.
send ,by
C.
send ,on
D.
sent, on
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【单选题】设a='计算机等级考试'，结果为'考试'的表达式是( )。
A.
Left(a,4)
B.
Right(a,4)
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【简答题】2kV= V ,610mV= V,1mV= μV= V
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【单选题】You needn't look to the right and left in England.
A.
Right.
B.
Wrong.
C.
Doesn' t say.
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【简答题】用适当的介词填空。 1. This is a shop ____ the hotel. 2. We want to send this letter ____ our teacher. 3. Jenny writes the postcards ____ February fourth. 4. She writes ____ the left ____ the postcard. 5. Danny...
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【判断题】严禁将食品、餐具带进实验室,但可以将无害的化学试剂带出实验室。
A.
正确
B.
错误
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【单选题】It is known that water is not ______ endless resource, nor ______ that can be made once more. [     ]
A.
The; /
B.
an; one
C.
an; that
D.
/ ; one
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【单选题】The right thing about the left atrium is ()
A.
It has left auricle
B.
It has venous sinus
C.
It is the entrance of pulmonary vein
D.
It is located in the left posterior part of heart base
E.
all of the above are right
查看完整题目与答案
【判断题】可以将食品带进化学实验室
A.
正确
B.
错误
查看完整题目与答案
【简答题】2kV= A,610mV= V,1mV= μV= V
查看完整题目与答案