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Make a card about the size of a postcard and write two English letters L and R on it, Lon the left and R on the right. First, hold the card about 80 cm away and you see both the letters. Then close your right eye and look at the letter R only with your left eye. And now, as you move the card slowly towards you, you' 11 find the letter L disappearing. But if you move the card nearer to your face, the letter will be seen again. Now do the same experiment with your left eye closed, you'll find the letter R disappearing.
Why does the letter disappear? It is because there is a blind spot on the eye. When the image(影像)of the letter falls on the blind spot, it won't be seen. That is why either of the letters disappears.
小题1:The writer of the passage thinks that_______ there is a blind spot on the eye.
A.few people know | B.no one knows | C.only you know | D.all the people know |
A.驱散 | B.消散 | C.消失 | D.遗失 |
A.your eyes are poor | B.its image falls on the blind spot |
C.your left eye is not open | D.you move it close to your eye |
①Hold the card ②Move the card nearer ③Close your right eye
④write two English letters ⑤Look at the letter R ⑥Make a card
A.④⑥①②③⑤ | B.①③⑥④⑤② |
C.⑥①④③②⑤ | D.⑥④①③⑤② |
A.how to find the blind spot | B.an interesting experiment |
C.where the blind spot is | D.there is a blind spot on the eyes. |
阅读理解
阅读下面短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。
ITINERARY
DAY 1 Arrive in Ho Chi Minh City (Saigon). Meet your travelling companions and a tour leader. Find out about travelling in Vietnam.
DAY 2 Sightseeing in Ho Chi Minh City including Ben Thanh market and Cho Lon, the old Chinese sector. Our local guide will show you how to explore this city.
DAY 3 Visit the Cu Chi tunnels, a complex of 200 km of tunnels used as a center of strategic importance during the US/Vietnam War.
DAY 4 Visit the Christina Noble Foundation, a center for street children. Afternoon free. Overnight train to Danang.
DAY 5 Arrive in Danang. Travel to Hoi An. Travel by local bus to the charming, historic Hoi An river port with a trading history going back to the 15th century. Many ports have not changed in centuries. Sightseeing Hoi An.
DAY 6 Free day in Hoi An. 5 km cycle or walk to the beach is optional.
DAY 7 Bus to historic Hue, for many years Vietnam's educational, cultural and religious center, stopping on the way to visit the Cham Museum in Danang.
DAY 8 Travel by boat along the Perfume Rivervisit the serene and beautiful mausoleums of the old kings of Vietnam.
DAY 9 Free day in Hue. Overnight train to Hanoi.
DAY 10 Arrive in Hanoi, an enchanting city of tree-lined boulevards, lakes, crafts and art galleries.
1.How does the tour group travel from Hue to Hanoi? It's by ________.
[ ]
2.According to the information, which of the following statements is TRUE?
[ ]
A.The Cham Museum is in Hanoi.
B.Overnight travel to Danang is by bus.
C.The Cu Chi tunnel is 400 km long.
D.There is an old Chinese sector in Ho Chi Minh City.
3.According to the information, Vietnam Tours ________.
[ ]
A.will run this tour twice in 2003
B.charge more to travel in January than in April
C.have been running for many years
D.began operating in 2003
4.The correct order in which these places are visited is ________.
[ ]
A.Hoi An, Hanoi, Hue, Ho Chi Minh City
B.Saigon, Hue, Hanoi, Hoi An
C.Ho Chi Minh City, Hanoi, Hue, Hoi An
D.Saigon, Hoi An, Hue, Hanoi
5.The purpose of this information is to ________.
[ ]
A.promote tourism in Vietnam
B.illustrate how important tourism is to Vietnam
C.outline the details of a tour to Vietnam
D.list the most popular tourist sites of Vietnam
查看习题详情和答案>>Lon long ago, there was a king who liked to write stories. He thought the stories he wrote were very good. He showed them to some people. Although the people didn’t like the stories, they were afraid to say it to the king. So they said his storied were good.
One day he showed his stories to a well-known critic. The critic said that they were bad. The king got very angry and sent the critic to prison(监狱).
After some time the king sent his men to the critic to tell him that he was free. When the critic returned from the prison, the king invited him to his palace to dinner. Again he showed him some of his storied and again asked him what he thought of them.
The critic said nothing but turned to the soldiers, who were standing behind him, and said, “Take me back to prison.”
1.People said the king’s stories were good because they .
A.enjoyed reading them B.hoped to get a lot of money
C.wanted to make the king happy D.knew nothing about story-writing
2.The critic said the king’s storied were bad because he .
A.didn’t like the king at all B.wrote good stories
C.couldn’t understand them D.was an honest an and brave person
3.After the critic was free, the king invited him to dinner an .
A.said sorry for what he had done to him
B.hoped the critic would like his stories.
C.wanted to hear his advice on story-writing.
D.showed the critic the stories he had rewritten.
4.The last sentence “Take me back to prison” implies (暗示) .
A.the critic liked the life in prison
B.the king’s stories were very bad
C.the critic wouldn’t stay in the palace
D.the king would send him to prison again
5.Which is the best title (题目) for the passage?
A.A King and a Critic B.How to Write Stories
C.A King Who Liked Stories D.How to be a Good Critic
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We can see that a school a skating Marathon.
【小题2】 How many people are there in the picture? And who are they?
There are seven. Five are students and the of them are .
【小题3】What are the they doing?
A man and a woman are Alison, most students are skating and two of them are on the ground.
【小题4】 What is Alison doing?
He is the woman's .
【小题5】When did Alison started skating?
He started skating hours . 查看习题详情和答案>>
Reading is an activity that people enjoy a lot in their free time.
Some like reading newspapers and 【小题1】 enjoy novels or comic books. My 【小题2】 books are those about the lives of great people. Reading them always 【小题3】 me a lot of ideas on how to make my own life better.
Great people are remembered not 【小题4】 they were handsome or beautiful, but because they did not give up 【小题5】 their lives were difficult. They tried to use every chance to change their lives and make the world better.
One good example is Orville and Wilbur Wright, the two brothers who invented the 【小题6】. The plane has made the world into a small village. Hard work, not good luck, is the 【小题7】 why the Wright brothers could 【小题8】 this convenient machine and become great people. Today we will remember them when we see planes 【小题9】 the sky.
Whenever I read stories about great people, I always 【小题10】 a lot from them and they encourage me to move forward.
This is why I enjoy reading about great people’s lives. 查看习题详情和答案>>