Question

16．You have often looked into a mirror（镜子），of course，But you haven't seen the real picture of your face yet．And why couldn't you see it？When you look into a mirror．You don't see your face as other people see it．You see a reversed picture．If you close your left eye，your picture closes its right eye．If you touch your right ear with your right hand，your picture touches its left ear with its left hand．
If you have two small mirrors，you can see you faces as your friends see it．You hold the two mirrors at right angles（角度）to each other and look into them．After some practice you will be able to see the real picture of your face．
Now close your left eye and your picture closes its left eye too．Touch your right ear with your right hand and your picture touches its right ear with its right hand！This is because each mirror reflected（反射）the picture in the other mirror，So you see a reversed picture of a reversed picture，which of course，is the same as the real picture．

根据短文内容，选择最佳答案，并在答题卡上将选定的答案标号涂黑．
66．When you look into a mirror，you couldn't seeC．
A．your face as others see it
B．the picture of yourself
C．the picture of your face
D．the picture of your eyes
67．What does the underlined word"reversed"mean in this passage？B
A．相同的
B．相反的
C．模拟的
D．虚拟的
68．According to the first paragraph of the passage，if you close your left eye，your picture in the mirrorD．
A．touches its left ear
B．closes its left eye
C．touches its right car
D．closes its right eye
69．Which of the following pictures is right according to the second paragraph of the passage？B
（M=mirror，P=person）

70．We can learn something aboutCfrom the passage．
A．body language
B．physical education
C．optical illusions
D．television invention．

Answer 1

分析 你一定经常照镜子，但你还没有看到自己真正的脸的照片，为什么你看不到？当你看镜子，你看到的不像其他人看到的一样．你看到的是一个颠倒的画面．如果你闭上你的左眼，你的镜像会闭上右眼．如果你用你的右手触摸你的右耳朵，你的镜像就是用左手触摸左耳．如果你有两个小镜子，你可以看到你朋友看到的镜像．你让两个镜子成直角，然后看里面．一些练习过后，你将能够看到自己真正的脸．现在闭上你的左眼，你的镜像也会闭上左眼，用你的右手触摸你的右耳朵，你的镜像也是这样的！这是因为每个镜子都会反射另外一个镜子的画面，所以你看到一个反转的图片的反转图片，这当然，和真实的图片是一样的．

解答 66．答案C 细节理解题 由文中 You have often looked into a mirror（镜子），of course，But you haven't seen the real picture of your face yet可知 你一定经常照镜子，但你还没有看到自己真正的脸的照片，故选C
67．答案B 词义理解题 由文中 You see a reversed picture．If you close your left eye，your picture closes its right eye可知 你看到的是一个…的画面．如果你闭上你的左眼，你的镜像会闭上右眼，从后面的例子可以看出，看到的是相反的画面，故选B
68．答案D 细节理解题 由文中 If you close your left eye，your picture closes its right eye．If you touch your right ear with your right hand，your picture touches its left ear with its left hand可知 如果你闭上你的左眼，你的镜像会闭上右眼．如果你用你的右手触摸你的右耳朵，你的镜像就是用左手触摸左耳，故选D
69．答案B 语义理解题 由文中 You hold the two mirrors at right angles（角度）to each other and look into them．After some practice you will be able to see the real picture of your face可知 你让两个镜子成直角，然后看里面．一些练习过后，你将能够看到自己真正的脸，只有B这个图符合镜子成直角，而且还能通过一个镜子看到另一个镜子，故选B
70．答案C 文章理解题 由文中可知，本文是在讲镜子的镜像是相反的，通过做实验来了解真正的图象，那就是有关于视觉的错觉，故选C

点评 本文有一定的难度，出现了许多生词需要自己的判断理解才能读懂，本文要求读懂文章意思，明白文章在讲什么，从整体把握，才可以做好．从文中寻找答案，并且结合自己的理解来做题．