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【判断题】
设 且 为偶函数,则 必为奇函数A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】请简述柔韧素质的定义。
【简答题】Buyers like bigger portion because they think they have got
【单选题】蒸汽压缩式制冷是利用主要元件有:I.压缩机,II.膨胀阀,III.冷凝器,IV.蒸发器。正确的流程是______。
A.
Ⅰ→Ⅱ→Ⅲ→Ⅳ
B.
Ⅳ→Ⅲ→Ⅱ→Ⅰ
C.
Ⅰ→Ⅲ→Ⅱ→Ⅳ
D.
Ⅳ→Ⅱ→Ⅲ→Ⅰ
【单选题】The best method of protecting that portion of a fiber anchor line nearest the anchor from chafing on the bottom is by ______.
A.
using a small scope ratio
B.
replacing that portion with a short length of chain
C.
using a hockle to keep that portion of the anchor line off the bottom
D.
using a synthetic line
【简答题】A．fact B．share C．part D．portion
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