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【单选题】
两台计算机之间利用电话线路传送数据信号时,必须配备的设备是 ( )
A.
交换机
B.
调制解调器
C.
中继器
D.
同轴电缆
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参考解析：
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【单选题】车辆通过铁路道口时,时速不得超过( )公里,并不准停车。
A.
5
B.
10
C.
15
D.
30
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【单选题】喷射混凝土时，混凝土终凝2h后，应喷水养护，一般工程，养护时间不少于( )。
A.
3d
B.
7d
C.
14d
D.
21d
查看完整题目与答案
【单选题】How can you position your business?
A.
Make a cold call to know about what your clients need.
B.
Make use of your advantages and find out what your clients need.
C.
Follow other successful companies' plan and try to learn something from them.
D.
Instill the strong points of your products into your clients' mind.
查看完整题目与答案
【简答题】My name is Pam Walker. I'm six years old. I study in Beijing No.1 Vocational School. I like swimming and running very much. My home address is No. 40 Xinhua Road. My phone number is 010-34493356. ...
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【简答题】If your duration of study is more than 6 months, what else you need to apply to the Chinese Embassy?
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【简答题】听音选择正确的选项。 (     ) 1. Sunday (     ) 2. Monday (     ) 3. Tuesday (     ) 4. Wednesday (     ) 5. Thursday (     ) 6. Friday A. We arrive in Canada. B. We go to Ottawa. C. We leave for the U. S. D. We...
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【单选题】My address is walker@yahoo.com.cn
A.
home
B.
school
C.
e-mail
D.
telephone
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【单选题】喷射混凝土终凝2h后,应喷水养护,时间不得小于( )d,气温低于+5°C时不得喷水养护。
A.
7
B.
14
C.
15
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【判断题】硫化氢是属于血液窒息性气体, Co是属于细胞窒息性气体。
A.
正确
B.
错误
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【判断题】火线与零线之间的电压称为相电压。 ( )
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】车辆通过铁路道口时,时速不得超过( )公里,并不准停车。
A.
5
B.
10
C.
15
D.
30
查看完整题目与答案
【单选题】喷射混凝土时，混凝土终凝2h后，应喷水养护，一般工程，养护时间不少于( )。
A.
3d
B.
7d
C.
14d
D.
21d
查看完整题目与答案
【单选题】How can you position your business?
A.
Make a cold call to know about what your clients need.
B.
Make use of your advantages and find out what your clients need.
C.
Follow other successful companies' plan and try to learn something from them.
D.
Instill the strong points of your products into your clients' mind.
查看完整题目与答案
【简答题】My name is Pam Walker. I'm six years old. I study in Beijing No.1 Vocational School. I like swimming and running very much. My home address is No. 40 Xinhua Road. My phone number is 010-34493356. ...
查看完整题目与答案
【简答题】If your duration of study is more than 6 months, what else you need to apply to the Chinese Embassy?
查看完整题目与答案
【简答题】听音选择正确的选项。 (     ) 1. Sunday (     ) 2. Monday (     ) 3. Tuesday (     ) 4. Wednesday (     ) 5. Thursday (     ) 6. Friday A. We arrive in Canada. B. We go to Ottawa. C. We leave for the U. S. D. We...
查看完整题目与答案
【单选题】My address is walker@yahoo.com.cn
A.
home
B.
school
C.
e-mail
D.
telephone
查看完整题目与答案
【单选题】喷射混凝土终凝2h后,应喷水养护,时间不得小于( )d,气温低于+5°C时不得喷水养护。
A.
7
B.
14
C.
15
查看完整题目与答案
【判断题】硫化氢是属于血液窒息性气体, Co是属于细胞窒息性气体。
A.
正确
B.
错误
查看完整题目与答案
【判断题】火线与零线之间的电压称为相电压。 ( )
A.
正确
B.
错误
查看完整题目与答案