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【单选题】
将 机 构 位 置 图 按 实 际 杆 长 放 大 一 倍 绘 制, 选 用 的 长 度 比 例 尺 应 是 。A.
0.5 mm/mm ；
B.
2 mm/mm ；
C.
0.2 mm/mm ；
D.
5 mm/mm 。
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举一反三
【单选题】听力原文：W: There will be someone to take the place of George this summer. M: You mean he will be on holiday this summer. What does the woman mean?
A.
George is going to stopping working in the summer.
B.
George can go to a school in the summer.
C.
George cannot work and study at the same time.
【单选题】听力原文：M: Do you want your television repaired? W: Yes, but not by the place you recommended. M: Why not? The repairmen are very good and the charges are so reasonable. W: That may be, but I couldn't fi...
A.
It needed fixing.
B.
It got lost.
C.
It couldn't receive any program.
D.
Its images were not clear.
【判断题】分段的临时加强是通过安装临时加强材来增大分段的刚性,使其能承受翻身和搁置时的外力而保持分段的正确形状。加强原则是消除或减少自由边,使结构端面闭合。
A.
正确
B.
错误
【单选题】关于小肠的解剖，下列错误的是
A.
空、回肠之间无明显界限
B.
分为十二指肠、空肠和回肠
C.
回肠黏膜皱襞明显，数量多
D.
空肠一般位于左上腹
E.
空肠续于十二指肠
【单选题】As soon as all the chairs are _______, we can let the people _______ outside enter.
A.
in the place; waiting
B.
in place; waiting
C.
in the place; waited
D.
in place; waited
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