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【简答题】
One of the reasons why VCRs are so difficult to use is that ________. A) the designers are often insensitive to the operational complexities of their machines B) the range of features provided is unlimited C) there is no ideal way of controlling quality D) their designers often ignore the complaints of their uses
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反馈参考答案：
举一反三
【单选题】49 Herzberg identified factors which, if present, will lead to increased motivation. A typical factor would be:
A.
Good supervision
B.
Job security
C.
Regular promotions
D.
Good salary
E.
A dental plan
【简答题】晶闸管-电动机系统需要快速回馈制动时,为什么必须采用可逆线路?
【单选题】Marine energy refers to the energy carried by ocean waves and _____.
A.
tides
B.
salinity
C.
ocean temperature differences
D.
all of the options
【单选题】Marine energy refers to the energy carried by ocean waves and _____.
A.
tides
B.
salinity
C.
ocean temperature differences
D.
all of the above
【单选题】翻译3 Many good movies have been produced recently, but I still prefer to watch old movies because they are more interesting
A.
人们对电影是有兴趣的，特别是对老片子，所以我主张放映老片子。
B.
近来拍了很多好的影片，既古老又饶有趣味，我觉得人人都喜欢看。
C.
近来制作了很多好影片，但是我还是喜欢老片，因为老片更有趣。
D.
很多好的影片是最近拍的，但我依然觉得过去拍的影片很有意思。
【判断题】The risks covered in FPA, WPA and All Risks in PICC Ocean Marine Cargo Clauses are not the same but all of them cover loss or damage caused by the intentional act of the insured.( )
A.
正确
B.
错误
【单选题】The swing bus or slack bus is a reference bus for which V∠θ , typi- cally 1.0∠0° per unit, is input data. The power flow program computes
A.
P,Q
B.
P,V
C.
Q,θ
D.
V,θ
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