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【多选题】
以下属于非黏着制动方式的为()。A.
磁轨制动
B.
轨道涡流制动
C.
圆盘涡流制动
D.
翼板制动
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举一反三
【单选题】I looked under ______ table and found ______ pen he lost the day before yesterday. [ ]
A.
the; a
B.
the; the
C.
/; the
D.
the; /
【简答题】将文件指针fp从文件末尾处向后移个字节,正确的函数操作是
【简答题】求过点 三点的平面方程。
【单选题】When Helen saw her tutor nod _______ to her, she calmed down and went on with her performance．
A.
encouragingly
B.
amazingly
C.
interestingly
D.
willingly
【简答题】求过点 三点的平面方程
【简答题】The day before the day before yesterday is three days after Saturday. What day is it today?
【单选题】______ before we depart the day after tomorrow, we should have a wonderful party.
A.
Were they to arrive
B.
Would they arrive
C.
Were they arriving
D.
Had they arrived
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