完形填空。 | |||
How 3D Movies Work Do you know 3D movies? When you see one, it's like the story __1__ in front of you, and you are a part of it. 3D movies are exciting to __2__ , but do you know how __3__ them, and __4__ you need to wear a pair of 3D glasses? To understand these questions, let's make an easy __5__ Put a finger 6 your eyes. Cover your left eye and look at the finger. Cover your right eye and look at the finger. What do you see? The finger you see with your left eye is in a different position from the one you see with your right eye. This means you get two images (图像) when you look at __7__ with both your eyes. To make a 3D movie, people have to get two images at the same time, __8__ they use two video cameras. When playing a 3D movie, they use two projectors (放映机) at the time. This brings two images together on the screen. Then, we use 3D glasses to separate (识别) the two images. One image enters one eye and __9__ enters the other eye. Then our brains __10__ the two images together. In this way, we get 3D pictures. | |||
( ) 1. A. happen ( ) 2. A. watch ( ) 3. A.make ( ) 4. A. when ( ) 5. A. example ( ) 6. A. in front of ( ) 7. A. everything ( ) 8. A. because ( ) 9. A. other ( ) 10. A. let |
B. happened B. see B. to make B. why B. picture B. in the front of B. anything B. so B. the other B. put |
C. to happen C. look C. making C. which C. experiment C. behind C. something C. and C. others C. take |
D. happening D. notice D. made D. what D. movie D. beside D. nothing D. but D. the others D. bring |
用方框中所给单词的适当形式填空,使短文完整正确。(每个单词限用一次) | |
their children won't know the money 1 from hard work. Some parents like to 2 birthday parties for their children. If they keep on doing this, their children will think it 3 for them to enjoy birthday parties every year. Year after year, maybe they will forget their 4 birthdays and only remember their 5 . It is against traditional habits. Many parents don't let the children do housework. They think children have only one thing to do. They should study hard and do 6 in their lessons. If parents go on doing this, the children will only learn to open their mouths to be fed and stretch out (伸出) their arms to be _7 every day. When the children grow up, they will be able to do 8 , and they won't even find a _9 .Parents should teach the children 10 to do housework because it can help them start good habits of working by themselves. | |
1. _____ 2. _____ 3. _____ 4. _____ 5. _____ 6. _____ 7. _____ 8. _____ 9. _____ 10. _____ |