题目内容

—I don't think the movie is well-made. —No, it's the ______ I've ever seen.

A. [A] same
B. [B] best
C. [C] worst

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As a traveler, George will be ______ home for several months each year.

A. [A] away from
B. [B] out of
C. [C] far from

Nobody but Jane ______ Sam's address.

A. [A] know
B. [B] is known
C. [C] knows

各组分浓度均为0.1mol·L-1的下列溶液中,pH最小的是()。

A. Na2CO3溶液B.NaOH溶液C.NaHSO4溶液D.NH4Cl溶液

下列化合物中,同种分子间能形成氢键的是()。

A. 2—己醇
B. 己醛
C. 2—己酮
D. 正丙醚

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