皮皮学，免费搜题
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【单选题】
闭经时孕激素试验(+)表示( )A.
用孕激素后无撤药性出血
B.
子宫内膜有雌激素影响
C.
病变在子宫内膜
D.
卵巢无性激素分泌
E.
下丘脑一垂体一卵巢轴尚有功能
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】已知a≠0，S 1 =2a， S 2 = 2 S 1 ， S 3 = 2 S 2 ，…， S 2013 = 2 S 2012 ，则S 2013 =______．（用含a的代数式表示）
【单选题】Man: How did you like the new exhibit at the art gallery? Woman: I still haven't been able to take any time off from studying. Question: What does the woman mean?
A.
She prefers the artists she has studied.
B.
She hopes they will take some of the paintings away.
C.
She hasn't gone to see the exhibit yet.
D.
She doesn't want to describe the exhibit.
【简答题】已知a≠0，S 1 =2a，S 2 = 2 S 1 ，S 3 = 2 S 2 ，…，S 2010 = 2 S 2009 ，则S 2010 =______（用含a的代数式表示）．
【单选题】听力原文：M: How did you like the new exhibit at the art gallery? W: I still haven't been able to take any time out from studying. Q: What does the woman mean? (16)
A.
She doesn't want to describe the exhibit.
B.
She prefers the artists she has studied.
C.
She hasn't gone to see the exhibit yet.
D.
She hopes they will take some of the paintings away.
【简答题】29下列那种蛋白质在PH=5的溶液中带负电: ( )A. PI=4.5 B．PI=7.4 C．PI=7 D．PI=6.5
【单选题】听力原文：W: How about going to the art gallery today? They are having a special exhibit of local artists including your favorite painter. M: I'd love to, if I can get this term paper out of my way. Q: Wha...
A.
He enjoyed the paintings, too.
B.
He has to finish his term paper first.
C.
He can't finish his term paper that day.
D.
He has learned something about the artists.
【单选题】听力原文：M: How did you like the new exhibit at the art gallery? W: I still haven't been able to take any time out from work. Q: What does the woman mean? (17)
A.
She likes the artists she has studied better.
B.
She doesn't hope they will take some of the paintings away.
C.
She hasn't gone to see the exhibit yet.
D.
She doesn't want to describe the exhibit.
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