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【单选题】
TCP/IP协议包括网络接口层, ,传输层和应用层。
A.
物理层
B.
互联层
C.
表示层
D.
会话层
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【判断题】在铸锭和铸件中的夹杂物按其来源可分为两类，即外来夹杂物和内生夹杂物。
A.
正确
B.
错误
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【单选题】Jan is a security officer. Jan believes that it is important to know exactly who is in the office at any given time. She notices that some employees do not sign out of the office when they take lunch,...
A.
Jan believes that it is important that she know exactly who is in the office at any given time.
B.
Jan notices that some employees do not sign out of the office when they take lunch.
C.
Jan finds it impossible to keep track of who is actually in the office.
D.
Jan becomes frustrated with those employees who do not sign out of the office.
E.
Jan notes which employees leave the office without signing out, and reports them to their supervisors.
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【单选题】The tour guide is
A.
announcing the arrangement for today's tour.
B.
expressing warm welcome to the tourists.
C.
giving advice to the tourists.
D.
introducing a famous scenic spot.
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【简答题】钢中非金属夹杂物来源于两个方面,一是内生夹杂物,二是 夹杂物。
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【单选题】外汇动态的定义就是指()
A.
国际汇兑过程
B.
可用作国际清偿的支付手段
C.
可用作国际清偿的资产
D.
其他都对
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【判断题】钢水中夹杂物来源有外来夹杂物和内生夹杂物。
A.
正确
B.
错误
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【单选题】The tour guide is _____ visitors around the city.
A.
show
B.
showing
C.
shows
D.
showed
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【判断题】内生夹杂物主要是二次氧化产物。
A.
正确
B.
错误
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【单选题】Do not leave out any _________ information. Otherwise, you may face serious consequences.
A.
vivid
B.
victory
C.
vital
D.
virtual
查看完整题目与答案
【简答题】连铸坯中的夹杂物，按（）分内生夹杂物和外来夹杂物。
查看完整题目与答案
相关题目：
【判断题】在铸锭和铸件中的夹杂物按其来源可分为两类，即外来夹杂物和内生夹杂物。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Jan is a security officer. Jan believes that it is important to know exactly who is in the office at any given time. She notices that some employees do not sign out of the office when they take lunch,...
A.
Jan believes that it is important that she know exactly who is in the office at any given time.
B.
Jan notices that some employees do not sign out of the office when they take lunch.
C.
Jan finds it impossible to keep track of who is actually in the office.
D.
Jan becomes frustrated with those employees who do not sign out of the office.
E.
Jan notes which employees leave the office without signing out, and reports them to their supervisors.
查看完整题目与答案
【单选题】The tour guide is
A.
announcing the arrangement for today's tour.
B.
expressing warm welcome to the tourists.
C.
giving advice to the tourists.
D.
introducing a famous scenic spot.
查看完整题目与答案
【简答题】钢中非金属夹杂物来源于两个方面,一是内生夹杂物,二是 夹杂物。
查看完整题目与答案
【单选题】外汇动态的定义就是指()
A.
国际汇兑过程
B.
可用作国际清偿的支付手段
C.
可用作国际清偿的资产
D.
其他都对
查看完整题目与答案
【判断题】钢水中夹杂物来源有外来夹杂物和内生夹杂物。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The tour guide is _____ visitors around the city.
A.
show
B.
showing
C.
shows
D.
showed
查看完整题目与答案
【判断题】内生夹杂物主要是二次氧化产物。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Do not leave out any _________ information. Otherwise, you may face serious consequences.
A.
vivid
B.
victory
C.
vital
D.
virtual
查看完整题目与答案
【简答题】连铸坯中的夹杂物，按（）分内生夹杂物和外来夹杂物。
查看完整题目与答案