皮皮学，免费搜题
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【单选题】
下列哪一项不是蛋白质的性质A.
处于等电点状态时溶解度最小
B.
加入少量中性盐溶解度增加
C.
变性蛋白质溶解度增加
D.
有紫外吸收特性
E.
与双缩脲发生反应
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】新加坡的国语是?
【简答题】greatly desired by many people
【单选题】In the market , merchants _____ with customers .
A.
discussed
B.
debated
C.
quarreled
D.
Bargained
【单选题】A 7-year 6% annual coupon payment bond priced at 100 of par value is trading in the market for 103. The modified duration and convexity of the bond is 6.5 and 86 respectively. The approximate return i...
A.
-7.8%
B.
-8.78%
C.
-9.75%
【单选题】听力原文：M: Welcome to my house! W: Well, Mr. Robinson, I' m greatly surprised with all the work you've done on your house. (19)How long have you been working on it? M: (19)I first became engaged in Do-it...
A.
For several months.
B.
For seven years.
C.
For a year or two.
D.
For several years.
【单选题】It's desired that she ______ to teach us at least twice a week.
A.
comes
B.
will come
C.
come
D.
may come
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