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【单选题】
一个过程由三个工作步骤构成(如图所示)，步骤一→步骤二→步骤三，每个步骤相互独立，每个步骤的一次合格率FTY 分别是：FTY1 = 99% ;FTY2 = 97%;FTY3 = 96%。则整个过程的流通合格率为：A.
92.2%
B.
99%
C.
96%
D.
97.3%
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【简答题】砂轮的特性主要由磨料、粒度、()、()、()及形状尺寸等因素所决定。
【简答题】砂轮的特性主要由：磨料、粒度、（）、硬度、组织、形状尺寸等因素决定。
【简答题】砂轮的特性主要由、、、和等因素决定。
【单选题】听力原文：M: I've just got back from the holiday you arranged for me, but I must tell you the hotel was really awful! It was miles from the sea. The food was awful too. The bedroom was dirty. W: Sorry abou...
A.
At the airport.
B.
In a travel agency.
C.
In a hotel.
D.
At home.
【单选题】听力原文：M: I've just got back from the holiday you arranged for me, but I must tell you the hotel was really awful! It was miles from the sea. The food was awful too. The bedroom was dirty. W: Sorry abou...
A.
At the airport.
B.
In a travel agency.
C.
In a hotel.
D.
At home.
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