【判断题】【消耗次数：1】
平衡分为静平衡、动平衡和相对平衡，该说法（ ）
①
正确
②
错误
参考答案：
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相关题目
【单选题】
由于计算、制造、安装等误差以及材料不均匀等原因，实际上往往仍达不到预期的静平衡要求，对于有较高平衡要求的回转件，在工程实际中还需进行静平衡试验，该说法（ ）
①
正确
②
错误
【单选题】
在项目盈亏平衡分析中，正确的说法是（）。
①
当实际产量高于盈亏平衡产量时，项目盈利
②
当实际产量低于盈亏平衡产量时，项目盈利
③
当实际产量接近盈亏平衡产量时，项目盈利最高
④
项目盈亏平衡产量越大，项目盈利的可能性越大
随机题目
【单选题】
____ to speak when the audience interrupted him.
①
Hardly had he begun
②
No sooner had he begun
③
Not until began
④
Scarcely did he begin
【单选题】
13. When I was a teenager, my bedroom was always ____; as an adult, though, my room is always neat..
①
tidy
②
orderly
③
mess
④
untidy
【单选题】
Women have to be more ____ than men if they want to get anywhere in the business world.
①
difficult
②
ambitious
③
traditional
④
conservative
【单选题】
24. The kind-hearted woman always tries to help others, but recently she has been ____kind and generous.
①
chiefly
②
specially
③
principally
④
especially
【单选题】
When the passenger woke up, he found himself ____in a hospital ward.
①
lie
②
lay
③
lying
④
lain
【单选题】
He should get used by now ____ Chinese food.?
①
to eating ?
②
to eat ?
③
for eating ?
④
eatin?
【单选题】
2. As time went on, he found himself ____ with the toughest job she had ever taken.
①
face
②
faced
③
facing
④
to face
【单选题】
He came to the meeting ____ his serious illness.
①
inspite of
②
in spite
③
despite of
④
despite
【单选题】
Dave ____ into the house without ____ out by his parents.
①
slipped; finding
②
slips; finding
③
slips; to be found
④
slipped; being found