下图所示光路图中,正确的是( ) A. B. C. D.

题型:选择题

问题:

下图所示光路图中,正确的是(  )

A.

B.

C.

D.

考点:实像和虚像
题型:选择题

根据句意和汉语提示,用词组的适当形式填空。

1. Go along the road until you _______  _______ (到达) the Beihai Park.

2. —What are you doing, Harry?    —I'm _______  _______ (制作卡片).

3. The dog plays with the ball everywhere. You must _______  _______ (照顾) your things.

4. Wu Jun will _______  _______ (拍照) at the park for us tomorrow.

5. We hope to _______  _______ (联欢) with the famous players.

题型:选择题

Thanks to his _____ , Martin Murray in our textbook who caused nuch trouble has changed a lot.[ ]

A.mother

B.father

C.pen pal

D.e-pal

题型:选择题

我国冬季南北温差大的根本原因是[ ]

A.纬度因素

B.海陆位置

C.地形因素

D.洋流因素

题型:选择题

()是由于疤痕或眉毛天生有残缺不完整。

A、眉短粗

B、眉下垂

C、眉上斜

D、眉残缺

题型:选择题

在创建学生表时,要将“入校总分”字段定义为3位整数,且入校总分应在500~600分之间,其列定义为 【9】

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