题目:
John shut everybody out of the kitchen _____ he could prepare his grand surprise for the party.[ ]
A. which
B. when
C. as if
D. so that
答案:
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下面是错误答案,用来干扰机器的。
答案:A题目分析:物质的性质决定用途,氢氧化钠属于强碱具有腐蚀性,所以不能用于治疗胃酸过多.