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【简答题】
The results of previous data analysis show that when the machine is adjusted well, the qualified rate of products is 90%, while when the machine fails, the qualified rate is 30%. Every morning when the machine is started, the probability of the machine adjusted well is 75%. Try to find out the probability of the machine failure when the first product in the morning is known to be qualified
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参考答案:
举一反三
【多选题】以下属于航空运输的特点的是( )
A.
运送速度快
B.
运输的运量小
C.
运价较高
D.
门到门
【简答题】A.Pretend to be what the company wants. B.Tell the truth, exclude for what you don't want them to know. C.Tell the whole truth. D.Answer it in a roundabout way.
【单选题】The only trouble with young drivers is that
A.
they tend to own sports ear.
B.
they are too proud of their ears.
C.
they soon become like the older ones.
D.
they think they are on the battlefield.
【单选题】以下不属于航空运输企业特点的是?
A.
资本集中
B.
技术集中
C.
规模经济
D.
进入市场要求低
【判断题】用户识别号码IMSI就是用户的电话号码。( )
A.
正确
B.
错误
【单选题】Don’t be _____________ if I pretend not to recognize you.
A.
surprise
B.
surprised
C.
surprising
D.
surprises
【多选题】以下属于航空运输的特点的是( )。
A.
载运能力小
B.
对货物包装要求高
C.
运输成本小
D.
速度快
【判断题】用户识别号码IMSI就是用户的电话号码。
A.
正确
B.
错误
【单选题】Don’t  pretend _____.Look!You are holding your English book upside down.
A.
to read
B.
to have read
C.
to be reading
D.
reading
【单选题】给人体注射某一药物后,出现了流涎、瞳孔缩小、腹痛、血压下降等临床症状,最有可能的药物是
A.
α受体激动剂
B.
β受体激动剂
C.
M受体激动剂
D.
N受体激动剂
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