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【单选题】
Which of the following is true of the cut in speed?A.
It is unimportant because there is very little energy in wind at low speed
B.
A turbine with a low cut in speed will perform better at all wind speeds
C.
It is unaffected by the length or mass of the blades but is a function of the generator friction
D.
Turbines with a low cut in speed are vulnerable to damage at high wind speeds
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【简答题】下列叙述是有关蓄电池电压检查的。请选择 正确 的叙述。A. 当点火开关位于LOCK 位置时，如果检查到电压高于规定值，则蓄电池正常。 B. 当点火开关位于ON 位置时，如果检查到电压高于规定值，则蓄电池正常。 C. 当点火开关位于START 位置时，如果检查到电压高于规定值，则蓄电池正常。 D. 当发动机起动时，如果检查到电压高于规定值，则蓄电池正常。
【判断题】Manhattan, the Bronx, Queens, Staten Island and Brooklyn are the five boroughs that complete the greater city of New York City.
A.
正确
B.
错误
【判断题】New York is the commercial and financial center of the United States, and it is composed of five boroughs including Manhattan, Brooklyn, the Bronx, Staten Island and Queens.
A.
正确
B.
错误
【判断题】New York is composed of five boroughs, including Manhattan, Brooklyn. the Bronx, Staten Island and Queens.
A.
正确
B.
错误
【简答题】New York City consists of five parts: Manhattan, Brooklyn, Queens, the Bronx and Staten Island. The population is about 7.5 million and there are 1.5 million in Manhattan alone. Manhattan, the center ...
【判断题】Manhattan , the Bronx , Queens , Staten Island and Brooklyn are the five boroughs that complete the greater city of New York City.
A.
正确
B.
错误
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