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【简答题】
计算定位误差时,可以分别求出基准位移误差和基准不重合误差,再求出它们在加工尺寸方向上的____。
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举一反三
【简答题】根据对话内容,从方框中选出能填入空白处的最佳选项。选项中有两项为多余选项。 A:Hello, Guo Xuan! Long time no see! B:Long time no see!_1_ A:Too bad! I always feel upset. B:What’s the matter? A:My mother always asks me to study hard.But this...
【单选题】—________ you play the piano for us? —Sorry, I can't play the piano, but I can sing for you.
A.
Can
B.
Must
C.
May
D.
Should
【单选题】I can play _____ tennis. Jim can play _____ piano. Can you play _____ chess? [ ]
A.
/, the, /
B.
the, /, the
C.
/, /, the
D.
a, the, a
【简答题】把对话补充完整。 1. — Can you play cards? — Quack! No, __________________. 2. — Can you play cards? — Woof! No, __________________. 3. — Can you play badminton? — Yes, __________________. 4. — Can you read th...
【单选题】—Can you play __________ guitar? —Yes, I can. I can also play __________ basketball. [ ]
A.
the; the
B.
/; the
C.
a; a
D.
the; /
【简答题】a person who holds strong beliefs and opinions, and is intolerant of anyone who disagrees b _
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