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问题
判断题
酸浴助剂有助于硫酸锌的溶解。
答案
参考答案：
错
选择题
Having arrived at the earthquake-stricken area, we were led to ____ the homeless people lived.
A. what
B. in which
C. that
D. where
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判断题
在慢性胃炎诊断中，X线检查只能提示本病，可靠的确诊方法是钡餐造影。( )
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