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【单选题】
他励直流电动机的固有机械特性曲线的理想空载转速为n 0 ;当降低电枢电压后,得到人为机械特性曲线,其理想空载转速为n 0 ′,则( )。A.
n 0 ′ 0,特性硬度降低
B.
n 0 ′>n 0 ,特性硬度不变
C.
n 0 ′=n 0 ,特性硬度降低
D.
n 0 ′ 0,特性硬度不变
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【单选题】Now researchers are directing more attention to the social and cultural impetus that propelled university graduates into careers in management.
A.
implication
B.
propaganda
C.
impulse
D.
refuted
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【单选题】Which one of the following is a key element to decide a middle-management position?
A.
Proper abilities and qualifications.
B.
Personalities that would go well with other employees.
C.
Same vision with the company's culture.
D.
Good interaction with the job interviewer.
【单选题】The students will discuss a number of cases ____ beginners of English fail to use the language properly.
A.
where
B.
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C.
which
D.
as
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【单选题】Tom is looking for a prope r place for his new shop.
A.
building
B.
land
C.
location
D.
direction
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