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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：A: I'll wear this blue jacket. I like the color on me, don't you think? B: I think it looks terrific on you, really. What does the man think of the woman's choice of clothing?
A.
He thinks her choice is good.
B.
He thinks her choice is terrible.
C.
He doesn't like the colour.
D.
He doesn't like the style.
【单选题】25℃是，CaCO 3 在水中的溶解平衡曲线如图所示，已知该温度下其溶度积为2.8×10 -9 ．下列说法错误的是（ ） 提示：CaCO 3 （s）?Ca 2+ （s）+CO 3 2- （s）的溶度积常数K sp =c（Ca 2+ ）c（CO 2-3 ），不考虑水解等因素．
A.
x数值为2×10 -5
B.
c点时有碳酸钙沉淀生成
C.
加入蒸馏水可使溶液由d点变到a点
D.
b点与d点对应的溶度积相等
【单选题】—What do you think of this jacket? —Well, I like its color, but the price is a little bit too ______. I don't think I can afford it. [ ]
A.
cheap
B.
low
C.
expensive
D.
high
【简答题】I don’t think this jacket _______ you and that your hat _______ this jacket perfectly.
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