*Question*
Read the article and select the best answer. Article: Men have always wanted to fly like birds. Birds can fly easily because they are light,but men's bodies are heavier. Men first went up into the air in balloons. These were big bags,and they were filled with gas. Hydrogen is a useful gas for balloons. It is lighter than air. _ is also lighter than air,but it costs a lot of money. So balloons are usually filled with hydrogen. Balloons have to fly with the wind as they have no engines to drive them. Later,men made airships. They are balloons with engines. They are also filled with hydrogen. Aircrafts with wings now take people across the world. Powerful engines drive these machines across the sky. Some of the engines are like the engines of cars,but they are more powerful. There is another kind of engine,we call it the jet engine. An English engineer invented the jet engine. At the same time,Germans were also building a jet engine. In May 1941,the English engineer's new engine was fixed in an aircraft,and the aircraft flew quite well. Jet engines are very powerful. Usually two to four are enough for an airplane,but some big aircraft need six. Anyone in a moving jet plane can feel the power of the engines. Jet planes can travel faster than sound. As a flying jet plane leaves its noise behind,we do not hear it until it has gone. Question: Which of the following is NOT true according to the passage? Options: A: Men first flew up into the air in balloons. B: The first jet plane was invented by an English engineer. C: 1ne let engine is very powerful. D: Two let engines are enough fot a big aircraft.
**Answer**
D

*Question*
Read the article and select the best answer. Article: Amy is an American student in Des Moines, Iowa. She is nine years old and she is in Grade Four this year. Now she and her friends are pen pals of the students in India. In their letters, Amy learns that life of Indian children is difficult. And they don't have money to buy desks for school. She is surprised and wants to help them. She and her friends collect $711. A charity group helps them buy 75 desks. "We have many good things in our country," said Amy. "We should help others." She also hopes to raise money to build a well for them. Then the students can get clean water from it. It may be a good gift for the Indian children. Question: How much is each of the desks according to the passage? Options: A: $711. B: $75. C: $9.48. D: $6.36.
**Answer**
C

*Question*
Read the article and select the best answer. Article: In America, when people say 'man's best friend', they don't mean another person. Instead, they are talking about a lovely animal--a dog! These words show the friendship between people and animals. Dogs and other pets can give joy to people's lives. _ Animals can help people, too. You can teach dogs to be the 'eyes' for blind people or 'ears' for deaf people. Scientists have found that pets help people live longer! They make people happier, too. Because of that, they bring animals into hospitals for 'visits'. Americans have 'Be Kind to Animals Week' in the first week of May. There are many pet shows during the week. Even if you don't live in America, you can also show your love to animals. How? First think about how animals make your life richer . If you have a pet, take more time this week to play with it. Remember to give it nice food. If you don't have a pet, be kind to animals around you. For example, if you see a street dog, don't kick it. Just leave it alone, or make friends with it. If others around you do bad things to animals, try to stop them. As people, we must protect animals because they can't speak for themselves. Question: According to the passage, scientists bring the dogs to hospital because _ . Options: A: they are ill and they need to see the doctor B: they can make the sick happier C: they can help the doctor find out the problems D: all the doctors like them
**Answer**
B

*Question*
Read the article and select the best answer. Article: It's Sunday. There are many people in the bus. And an old man is looking here and there. He wants to find an empty seat . Then he finds one. He goes to it. A small bag is on the seat. And a young man is sitting beside it. "Is this seat empty?" asks the old man. "No, it's for a woman. She goes to buy some bananas." Says the young man. "Well," says the old man, "Let me sit here please. When she comes back, I will leave here." The bus starts . "She doesn't come, but her bag is here. Let me give her the bag." Then the old man throws the bag out of the bus window. The young man jumps up and shouts, "Don't throw! It's my bag!" Question: The old man finds an empty seat. He goes there and finds there is _ on it. Options: A: a man B: woman C: a bag D: a coat
**Answer**
C