Look-there’s a film ________ over there! Do you think we’ll see anyone famous?
A. group
B. crew
C. club
D. camp
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Can we make this game more difficult? I don’t find it ________ enough.
A. challenging
B. easy
C. simple
D. boring
We’ve known each other for just a few months, but it ________ years.
A. seems as
B. seems like
C. looks like
D. looks as
新制氯水与久置的氯水相比较，下列结论不正确的是新制氯水与久置的氯水相比较，下列结论不正确的是
A. 颜色相同
B. 前者能使有色布条褪色
C. 都含有H＋
D. 加AgNO 3 溶液都能生成白色沉淀
“84”消毒液在日常生活中被广泛应用。该消毒液无色， pH 大于7，对某些有色物质有漂白作用。你认为它可能的有效成分是
A. SO2
B. Na2CO3
C. KMnO 4
D. NaClO
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