题目内容

国标中规定,调制炼乳应具有()的色泽。

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简述板桩码头中锚锭桩的特点?

They()so that we wouldn't recognize them.

A. disguise
B. disguised
C. were disguising
D. were disguised

在哪一年世界杯上马拉多纳被红牌罚出场?

()时期实行的宣贯制度是九品中正制。

A. 秦朝
B. 汉代
C. 魏晋六朝
D. 明代

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