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问题 选择题

小丽收集到的一些光现象实例，其中说法正确的是（　　）

A．隔着放大镜看物体，看到的物体一定都是放大的

B．有经验的渔民叉鱼时总是正对着看到的鱼叉去

C．光在真空中不能传播

D．电视画面的颜色是由红、绿、蓝三种色光组成的

答案

A、放大镜就是凸透镜，既能成倒立放大的实像，也能成倒立缩小的实像．不合题意．

B、鱼的实际位置在看到像的下面，有经验的渔民叉鱼时，要对着看到的鱼的下面叉去．错误．

C、光可以在真空中传播．故本选项错误．

D、彩色电视机画面的色彩就是由红、绿、蓝三原色形成的．符合题意．

故选D．

选择题

在节日里，对于别人送来的礼物，中国人和英语国家的人也表现出不同的态度：中国人往往要推辞一番，表现得无可奈何地接受，接受后一般也当面不打开。如果当面打开并喜形于色，可能招致“贪财”的嫌疑。而在英语文化中，人们对别人送的礼品，一般都要当面打开称赞一番，并且欣然道谢。不同国家的人们对待接受礼物的不同态度说明[ ]

A．我们在交往中应该不卑不亢

B．中国人很多疑、多虑，外国人很聪明、智慧

C．生活在不同生活背景中的人，会有不同的待人处事的方式

D．不同的国家和民族的代表人物把本国家和民族的文化推向世界
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单项选择题

Nasreddin had a shed(棚子)behind his house. It had no lights in it. One night he went out to the shed to get his ladders(梯子)and lost his ring(戒指)there. He left the ladder, went out into the street and began to look around.
One of his friends saw him in the street outside his house, and said to him, " Hello, Nasreddin, what are you looking for"
"My ring , "answered Nasreddin. "It fell off my finger. It is a silver(银的)ring with a red stone in it." "Oh, yes. "said the friend. "I remember it. I will help you to look for it. Where did you lose it"
"In my shed."
"But why don’t you look for it there"
"Don’t be foolish! It is quite dark in my shed, how can I find my ring there Here there is light from the lamps in the street.\

What do you think of Nasreddin
A. Clever.B. Foolish.C. Poor.
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