题目内容

The American college students like to _______ most of all.

A. discuss problems on philosophy
B. play balls
C. earn enough money
D. go to the cinemas or theatres

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A.neverB.everC.sometimesD.often

A. never
B. ever
C. sometimes
D. often

在氧化还原滴定中,选择指示剂的基本原则是______。

A.questionB.notionC.exceptionD.vocation

A. question
B. notion
C. exception
D. vocation

我国西北地区物资出口最为便捷的港口是()

A. 连云港
B. 青岛
C. 天津
D. 秦皇岛

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