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【单选题】
他励直流电动机在所带负载不变的情况下稳定运行。若此时增大电枢电路的电阻，待重新稳定运行时，电枢电流和电磁转矩（）。
A.
增加
B.
不变
C.
减小
D.
忽大忽小
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举一反三
【多选题】下列哪些是庾信的作品？
A.
《小园赋》
B.
《哀江南赋》
C.
《拟咏怀》
D.
《代人伤往》
查看完整题目与答案
【多选题】属于拉削加工生产效率高的原因的是( )。
A.
机床在一个行程内可完成粗、半精、精加工
B.
机床传动系统简单,且为液压传动,平稳无振动。
C.
拉刀为多刃刀具,多个刀刃同时切削
D.
刀具、工件均为浮动安装,缩短了辅助工艺时间
查看完整题目与答案
【单选题】According to Paragraph 6, which of the following is true of the effect of vaccines on different groups of people?
A.
The vaccines will not be effective on unhealthy young adults
B.
The elderly will be less likely to have major complications after vaccination.
C.
The vaccines are effective on people of all ages if they are healthy.
D.
Flu vaccines are of no use for old people or people with chronic diseases
查看完整题目与答案
【单选题】Which news agency is not among the so-called “ the world ’ s most influential three news agencies ” ?
A.
Xinhua
B.
AFP
C.
AP
D.
Reuters
查看完整题目与答案
【单选题】对于沸腾传热,工业生产一般应设法控制在( )沸腾下操作。
A.
核状
B.
稳定的膜状
C.
不稳定的膜状
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【单选题】Which of the following is NOT among the achievements of Descoings?
A.
Starting exchanges with universities in the U. S.
B.
Attracting overseas students to Paris.
C.
Enrolling lots of immigrant students.
D.
Establishing new research centers.
查看完整题目与答案
【单选题】Which of the following is NOT among the artistic features of Whitman ’ s writing? ( )
A.
Free verse
B.
The use of the poetic “ I ”
C.
Allegory
D.
Musicality and rhythm
查看完整题目与答案
【简答题】按要求写出下列反应式。 (1)金属钠和水反应（化学反应方程式）________________。 (2)实验室加热浓盐酸和二氧化锰的混合物制Cl 2 （离子反应方程式）________________。 (3)溴乙烷与KOH的乙醇溶液共热（化学反应方程式）____________________。
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【单选题】接上题，该可转换债券的转换升水比率为( )。
A.
23.75%
B.
19%
C.
19.19%
D.
0.1%
查看完整题目与答案
【单选题】Malik's sleep was___ by the loud sound of hail smashing against his bedroom window.
A.
interrupted
B.
concealed
C.
assisted
查看完整题目与答案
相关题目：
【多选题】下列哪些是庾信的作品？
A.
《小园赋》
B.
《哀江南赋》
C.
《拟咏怀》
D.
《代人伤往》
查看完整题目与答案
【多选题】属于拉削加工生产效率高的原因的是( )。
A.
机床在一个行程内可完成粗、半精、精加工
B.
机床传动系统简单,且为液压传动,平稳无振动。
C.
拉刀为多刃刀具,多个刀刃同时切削
D.
刀具、工件均为浮动安装,缩短了辅助工艺时间
查看完整题目与答案
【单选题】According to Paragraph 6, which of the following is true of the effect of vaccines on different groups of people?
A.
The vaccines will not be effective on unhealthy young adults
B.
The elderly will be less likely to have major complications after vaccination.
C.
The vaccines are effective on people of all ages if they are healthy.
D.
Flu vaccines are of no use for old people or people with chronic diseases
查看完整题目与答案
【单选题】Which news agency is not among the so-called “ the world ’ s most influential three news agencies ” ?
A.
Xinhua
B.
AFP
C.
AP
D.
Reuters
查看完整题目与答案
【单选题】对于沸腾传热,工业生产一般应设法控制在( )沸腾下操作。
A.
核状
B.
稳定的膜状
C.
不稳定的膜状
查看完整题目与答案
【单选题】Which of the following is NOT among the achievements of Descoings?
A.
Starting exchanges with universities in the U. S.
B.
Attracting overseas students to Paris.
C.
Enrolling lots of immigrant students.
D.
Establishing new research centers.
查看完整题目与答案
【单选题】Which of the following is NOT among the artistic features of Whitman ’ s writing? ( )
A.
Free verse
B.
The use of the poetic “ I ”
C.
Allegory
D.
Musicality and rhythm
查看完整题目与答案
【简答题】按要求写出下列反应式。 (1)金属钠和水反应（化学反应方程式）________________。 (2)实验室加热浓盐酸和二氧化锰的混合物制Cl 2 （离子反应方程式）________________。 (3)溴乙烷与KOH的乙醇溶液共热（化学反应方程式）____________________。
查看完整题目与答案
【单选题】接上题，该可转换债券的转换升水比率为( )。
A.
23.75%
B.
19%
C.
19.19%
D.
0.1%
查看完整题目与答案
【单选题】Malik's sleep was___ by the loud sound of hail smashing against his bedroom window.
A.
interrupted
B.
concealed
C.
assisted
查看完整题目与答案