题目

用观察的标本图象偏向于视野的右上角,若要移到视野中央,则应将玻片标本往什么方向移动( )A. 左下方 B. 右下方 C. 左上方 D. 右上方 答案:【答案】D【解析】试题显微镜成倒立的像,物像的移动方向和玻片的移动方向相反。若要使位于玻片标本右上角的图象移至视野中央,移动玻片的方向是右上方。这样物像才能向左下方移至视野中央。 Could you tell me ________?  A. how long you have bought the car    B. who can help us organize the show  C. what was your favourite subject      D. how many students are there in your class
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