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【判断题】
牵引电动机的励磁电流与电枢电流之比，称为磁场削弱系数。A.
正确
B.
错误
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【单选题】Ancient Egypt Brought Down by Fami Even ancient Egypt’s mighty pyramid(金字塔)builders were powerless in the face of the famine(饥荒)that helped bring down their civilization around 2180 B.C..Now evidence ...
A.
Because they once worked miracles．
B.
Because they were well—built．
C.
Because they were actually very weak．
D.
Because even they were unable to rescue their civilization．
【单选题】Which of the following statements is CORRECT about the running of the typical Italian family restaurant in the United States?
A.
The couple cook the dishes and the children help them.
B.
The husband does the cooking and the wife serves as the waitress.
C.
The mother does the cooking while the father and children wait on the guests.
D.
A hired cook prepares the dishes and the family members serve the guests.
【简答题】The LAPD had problems in the recent past with ______ in its ranks.
【单选题】Anthropologists, psychologists and others have begun seeking the roots of ambition in family, culture, gender, genes and more. They have by no means thrown the curtain all the way back, but they have ...
A.
have made a great delay
B.
have gained nothing
C.
have much disagreement
D.
have begun to make some discovery
【单选题】A research revealed that multitasking makes the Generation M______.
A.
distant to their family
B.
selfish and possessive
C.
impolite and ungrateful
D.
feel lonely and pitiful
【单选题】Turn on the television or open a magazine and you ______ advertisements showing happy families.
A.
will often see
B.
often see
C.
are often seeing
D.
have often seen
【简答题】____________________ (就利润而言） ，this corporation ranks first in 2012.
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