皮皮学，免费搜题
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【简答题】
一,鱼类产生腥味的主要原因是什么?去除的方法是什么? 二,简述鱼的体形及外表结构。
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】互换性分为哪几类?
【单选题】—Have you got any job offer? —No, I______.
A.
am waiting
B.
waited
C.
had waited
D.
have waited
【单选题】听力原文：Do I have any messages? (A) Yes, your wife called at noon. (B) I had a massage. (C) No one has seen us for ages. (19)
A.
B.
【单选题】I have had my radio_____, and do you have any radios _____in the same shop? [ ]
A.
repair, to repair
B.
repaired, to be repaired
C.
repaired, repair
D.
to repair, repairing
【判断题】《论共产党员的修养》中指出，一方面，在各国无产者的斗争中，共产党人强调和坚持整个无产阶级的不分民族的共同利益；另一方面，在无产阶级和资产阶级的斗争所经历的各个发展阶段上，共产党人始终代表整个运动的利益。
A.
正确
B.
错误
【简答题】I took along my son, who had never had any fresh water up his nose and who had seen lily pads only from train windows. On the journey over to the lake I began to wonder what it would be like. I wonder...
【简答题】什么是互换性?互換性分为哪几类?各有何特点?
相关题目：
【单选题】—Have you got any job offer? —No, I______.
A.
am waiting
B.
waited
C.
had waited
D.
have waited