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【单选题】
通过测量空载转数和空载电流来判断起动机有无故障的试验称为（）。A.
满载试验
B.
实验
C.
全制动试验
D.
空载实验
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】我国有着丰富的茶文化,品茶不仅有益身心健康,还能怡情养性。不同产地的茶风味迥异,下列名茶中产自安徽的是( )。 A . 碧螺春 B . 龙井茶 C . 铁观音 D . 六安瓜片
A.
碧螺春
B.
龙井茶
C.
铁观音
D.
刘安瓜片
【单选题】—__________? —He's a farmer. [ ]
A.
What is your father doing
B.
What does your father do
C.
Where is your father
D.
Who is your father
【单选题】________ you row a boat at the age of 10? No, but now I ________.
A.
Can；can
B.
Can；could
C.
Could ；can
D.
Could；could
【简答题】连词成句: row, to, want, We, a, boat (.)
【单选题】When they returned to the river, they found that the boat had _______ away.
A.
framed
B.
frosted
C.
frowned
D.
floated
【单选题】梁的横截面可选用图示空心矩形、矩形、正方形和圆形四种之一,假设四种截面的面积均相等,荷载作用方向铅垂向下,承载能力最大的截面是:
A.
空心矩形
B.
实心矩形
C.
正方形
D.
圆形
【单选题】- Can you go to row a boat with us this afternoon? - I'm afraid not. I_______ look after my little sister because my mother is out.
A.
can
B.
may
C.
would
D.
have to
【简答题】完成教材P111的T16。并增加一问:若采用调速方式,试确定转速应调为多少。
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