皮皮学，免费搜题
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【单选题】
连续回流提取法所用的仪器名称是A.
水蒸气蒸馏器
B.
薄膜蒸发器
C.
液滴逆流分配器
D.
提取器
E.
水蒸气发生器
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：M: Has your brother found an apartment yet? W: No, he's still living in a room down town, but I am helping him look for one. Q: What do we learn about the woman's brother? (19)
A.
He is going to sell his house.
B.
He's found an apartment.
C.
He's going to find an apartment.
D.
He's sold his house.
【简答题】Progress has been made to improve our living room, but we still have difficulty in the future living room.
【单选题】听力原文：W: Has your brother found an apartment yet? M: No, he's still living in a room downtown, but I'm helping him look. Q: What is the man doing? (17)
A.
He is going to find all apartment.
B.
He' s helping his brother look for an apartment.
C.
He already found an apartment.
D.
He' s looking for an apartment with a girl.
【单选题】一 Look at Helen in the room.She is still working so late. 一 It _____ be Helen there. She has flown to London with her parents this morning. [ ]
A.
mustn't
B.
wouldn't
C.
mightn't
D.
can't
【单选题】肌肉痉挛的弊端是
A.
导致缓慢的自主运动
B.
可借助伸肌疫挛等帮助患者站立和行走
C.
可相对保持肌容积
D.
无承重和废用的情况下，可因此而预防骨质疏松
E.
充当静脉肌肉泵，降低发生深静脉血栓的危险性
【单选题】纪念红军长征胜利80周年主题展览在中国人民革命军事博物馆开幕,展出的252件珍贵文物中上海兵工厂1927年制造的( )特别引人注目。
A.
山炮
B.
机枪
C.
手榴弹
D.
子弹机
【单选题】听力原文：M: Hello. I'd like to book a meeting room for Thursday. Is Room I01 still available? F: I'll just check. Oh, I'm afraid it isn't. But 102's free and so is 10_?. M: I think 103'11 be too small. So...
A.
Room 101
B.
Room 102
C.
Room 103
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