题目

在生物实验设计中,为了控制变量要设置对照.下列几组对照中不合理的是( ) A.潮湿与干燥   B.光照与黑暗   C.室内与室外   D.高温与低温 答案:C按照所给的例句完成下列各句。 Model: The teacher said, “Jim is right, Mary is wrong.” The shoes are too ________for me to wear, I want a small pair.
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