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【单选题】
匀强磁场方向垂直纸面，规定的方向为正，磁感强度B随时间t变化规律如图甲所示，在磁场中有一细环，圆环平面位于纸面内如图示，令I 1 、I 2 、I 3 分别表示oa、ab、bc段的感应电流，f 1 、f 2 、f 3 分别表示金属环对应感应电流时其中很小段受到的。则下列说法错误的是（）
A.
I 1 沿逆时针方向，I 3 沿顺时针方向
B.
I 2 沿顺时针方向，I 3 沿顺时针方向
C.
f 1 方向指向圆心，f 2 方向指向圆心
D.
f 2 方向背离圆心向外，f 3 方向指向圆心
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举一反三
【单选题】Quality of commodity refers to the outward appearance and the intrinsic attributes of the commodities. A. outward B. large C. small D. old
A.
outward
B.
large
C.
small
D.
old
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【多选题】Which description is correct? ( )
A.
On the takeoff reference page, the situation of WIND is indicated, "H" indicates for HEADWIND and "T" indicates for TAIWIND. Entry without a preceding letter will be assumed as a tailwind.
B.
On the takeoff reference page, the situation of WIND is indicated, "H" indicates for HEADWIND and "T" indicates for TAIWIND. Entry without a preceding letter will be assumed as a headwind.
C.
On the takeoff reference page, the RUNWAY condition is indicated, "W" for wet and "D" for dry. Default is dry.
D.
On the takeoff reference page, the RUNWAY condition is indicated, "W" for wet and "D" for dry. Default is wet.
查看完整题目与答案
【单选题】James has a Windows XP operating system and he wants to change the appearance of the windows and buttons. color scheme, and font size. How will James accomplish this task?( )
A.
By using the Themes option
B.
By using the Desktop option
C.
By using the Appearance option
D.
By using the Screen option
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【简答题】物流系统的效益悖反包括（ ）的效益悖反。
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【单选题】[5-57]Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel ___?
A.
The power-driven vessel must keep out of the way of the sailing vessel.
B.
A special circumstance situation exists.
C.
The sailing vessel must keep out of the way of the power-driven vessel.
D.
The vessel which has the other vessel to t
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【单选题】176 Which of the following terms refers to the situation where the work is being used for the purpose intended and so certified:
A.
beneficial completion
B.
substantial completion
C.
project completion
D.
contract closeout
E.
final completion
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【单选题】王先生，69岁，诊断为肝癌，病情日趋恶化，患者出现悲哀、情绪低落，要求见一些亲朋好友，并急于交代后事，此时患者心理反应处于
A.
忧郁期
B.
愤怒期
C.
协议期
D.
接受期
E.
否认期
查看完整题目与答案
【单选题】“Judging the voice, and not the appearance” makes the show---The Voice of China _______from the numerous other reality shows in China.
A.
stand out
B.
knock off
C.
take on
D.
get through
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【判断题】物流系统中存在大量效益悖反现象，物流成本和服务水平就是一例。()
A.
正确
B.
错误
查看完整题目与答案
【判断题】人类的ABO血型系统的四种主要血型的遗传受三个多基因的支配。
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】Quality of commodity refers to the outward appearance and the intrinsic attributes of the commodities. A. outward B. large C. small D. old
A.
outward
B.
large
C.
small
D.
old
查看完整题目与答案
【多选题】Which description is correct? ( )
A.
On the takeoff reference page, the situation of WIND is indicated, "H" indicates for HEADWIND and "T" indicates for TAIWIND. Entry without a preceding letter will be assumed as a tailwind.
B.
On the takeoff reference page, the situation of WIND is indicated, "H" indicates for HEADWIND and "T" indicates for TAIWIND. Entry without a preceding letter will be assumed as a headwind.
C.
On the takeoff reference page, the RUNWAY condition is indicated, "W" for wet and "D" for dry. Default is dry.
D.
On the takeoff reference page, the RUNWAY condition is indicated, "W" for wet and "D" for dry. Default is wet.
查看完整题目与答案
【单选题】James has a Windows XP operating system and he wants to change the appearance of the windows and buttons. color scheme, and font size. How will James accomplish this task?( )
A.
By using the Themes option
B.
By using the Desktop option
C.
By using the Appearance option
D.
By using the Screen option
查看完整题目与答案
【简答题】物流系统的效益悖反包括（ ）的效益悖反。
查看完整题目与答案
【单选题】[5-57]Which statement correctly applies to a situation where a sailing vessel is overtaking a power-driven vessel ___?
A.
The power-driven vessel must keep out of the way of the sailing vessel.
B.
A special circumstance situation exists.
C.
The sailing vessel must keep out of the way of the power-driven vessel.
D.
The vessel which has the other vessel to t
查看完整题目与答案
【单选题】176 Which of the following terms refers to the situation where the work is being used for the purpose intended and so certified:
A.
beneficial completion
B.
substantial completion
C.
project completion
D.
contract closeout
E.
final completion
查看完整题目与答案
【单选题】王先生，69岁，诊断为肝癌，病情日趋恶化，患者出现悲哀、情绪低落，要求见一些亲朋好友，并急于交代后事，此时患者心理反应处于
A.
忧郁期
B.
愤怒期
C.
协议期
D.
接受期
E.
否认期
查看完整题目与答案
【单选题】“Judging the voice, and not the appearance” makes the show---The Voice of China _______from the numerous other reality shows in China.
A.
stand out
B.
knock off
C.
take on
D.
get through
查看完整题目与答案
【判断题】物流系统中存在大量效益悖反现象，物流成本和服务水平就是一例。()
A.
正确
B.
错误
查看完整题目与答案
【判断题】人类的ABO血型系统的四种主要血型的遗传受三个多基因的支配。
A.
正确
B.
错误
查看完整题目与答案