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【单选题】
数控车床的坐标应在( )平面内。A.
G17
B.
G18
C.
G19
D.
G20
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【单选题】听力原文：(A)They're setting the table for a meal. (B) They're concentrating on some documents. (C) They're taking off their glasses. (D)They're taking their seats for a meeting.
A.
B.
C.
【单选题】—What color are they? —_____. [ ]
A.
This is some white
B.
They're white
C.
They're white sweaters
D.
It's white
【单选题】-As tu reçu la lettre de tes parents? Oui, je _____
A.
l'ai reçu
B.
lui ai reçu
C.
l'ai reçue
D.
les ai reçus
【简答题】亚共晶白口铸铁碳的质量分数为 ，其室温组织为 。
【单选题】A: You're thirsty? There are some cans of Coke in the fridge.B: ______
A.
Some cans of Coke in the fridge? It's terrific.
B.
Don't worry. You're forgotten to put it in the fridge.
C.
I don't mind I'm thirsty.
D.
Some cans of Coke in the fridge? It's terrible.
【单选题】听力原文：(A) They're signing some forms. (B) They're standing next to the sign. (C) They're putting up signs. (D) A man is pointing into the distance.
A.
B.
C.
D.
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