爷爷在用放大镜看报纸时，觉着字的像太小，为了使字的像大一些，

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问题填空题

爷爷在用放大镜看报纸时，觉着字的像太小，为了使字的像大一些，正确的做法是：报纸和书的位置保持不动，使放大镜离书______一些（填“远”或“近”）．

答案

报纸和书的位置保持不动，使放大镜离书越远，像会越大．

故答案为：远．

选择题

A _____ attack _____ in Pearl Harbor by the Japanese in 1941 led to the US entering the Second

World War. [ ]

A. surprising; was carried out

B. surprise; carried out

C. surprise; was carried out

D. surprised; carried out

实验题

如图所示，物体A的长度是________cm。