Unit 9 It's important to have good habits. Section B 3a-Self Check 课时练习 （含答案）

鲁教版英语九年级同步练习
Unit 9 It’s important to have good habits.
（Section B 3a-Self Check）
一、词汇填空
（一）根据句意和首字母提示或汉语提示完成单词。
1. An unhappy home environment has bad __________(影响) on a child's behavior.
2. The a__________ of sleep is different from person to person.
3. Forget about facts and ____________ (数字).
4. —Oh! What's the matter
—I'm really ____________(疲倦的) all the time. I have no energy.
I like English very much. I never miss a ____________(机会) to practice English with foreigners.
（二）用所给词的适当形式填空。
6. Nick kept talking, breaking my ___________ (concentrate)．
7. Great ___________(change) have taken place in our hometown.
8. He works harder in order ___________(not fail) the big exam.
9. I have problems in ___________(learn) English.
10. — I shall go to bed now. I'm really ___________(sleep).
— OK. Good night.
二、综合填空
阅读下面短文, 掌握其大意, 选出能填入短文相应空白处的最佳选项。
he, kill, scared, silly, lie, courage, hear, against, fight, strong
One sunny afternoon, a young deer and an old deer were (1)__________ under a tree in the forest. Suddenly, in the distance, they (2)__________ some sounds of dogs’ barking.
The old deer stood up quickly. He felt nervous and (3)__________. He said to the young deer, “Be quick! It’s time to find a place to hide in. The barking dogs are fierce (凶猛的) and they will (4)__________ us.”
The young deer laughed and said, “Why should we hide from the dogs We are bigger and (5)__________ than them. We can toss (扔) them aside with our big antlers (角). We should fight with them bravely.”
The old deer admired the (6)__________ of the young deer, but he did not believe the young deer. “We’d better run away now,” said the old deer.
The young deer refused to run away. He decided to fight (7)__________ the dogs. As the dogs ran to (8)__________, he put down his antlers and wanted to toss them aside. But he didn’t win the (9)__________ because there were too many dogs. He was killed by the dogs in the end.
The young deer lost his life because he didn’t know his strength and weakness. We can learn a lesson from the story. Don’t be like the (10)__________ young deer when we are in danger. We should know our strength and weakness.
三、阅读理解
A
We may know some good health habits, but we don’t realize how much difference they can
make. In the 1970s, scientists at the University of California-Los Angeles asked 7,000 people about their health habits. Then they followed these people to see how long they lived.
The scientists discovered that seven habits were closely linked with(与…有关) a longer life.
▲eating breakfast every day ▲avoiding eating anything like cakes between meals ▲keeping a good weight—not too heavy or too thin ▲exercising regularly ▲sleeping seven or eight hours every night—not more or less ▲not smoking ▲drinking two or fewer alcoholic (含酒精的) drinks every day
The researchers found that these habits had a powerful effect on health. People in this study who had three or fewer of these habits lived another 21.6 years. People who had six or seven could expect to live another 33 years!
But how do you change your habits Make one small change every week. And be patient. It takes about 21 days to form(形成) a new habit.
1. The underlined word “ they ” in Paragraph 1 most probably refers to ______.
A. scientists B. good health habits
C. universities D. 7,000 people
2. The idea “these habits had a powerful effect on health” is supported with ______.
A. guesses B. stories C. experiences D. facts
3. In which page of a newspaper can you most probably read this passage
A. News. B. Health. C. Business. D. Sports.
4. The passage is written mainly to tell people ______.
A. to keep a good weight B. to avoid eating too much
C. to form good health habits D. to keep away from danger
B
When a plane crashes(坠毁), the first thing people do is ask, “What went wrong How can we keep it from happening again ” At this point, someone will probably mention the “black box”. (5)______ Because it is bright orange, it is easier for people to find the box after a crash. Almost all the planes carry black boxes, and because of this, air safety has improved.
What is a black box A black box is a data(数据) recorder. (6)______ For example, it records a plane’s speed. Also, it records things pilots say to each other and over the radio. This helps people know just what happened before a crash.
In what part of a plane is a black box put Many people are surprised to learn that a black box is not in the front of a plane. (7)______
How do the recording devices(设备) inside a black box survive(幸免于) a crash A black box is made of very strong materials (8)______ It gives protection from the crash itself. And it protects against very high temperature and fire.
Why is a black box so important A black box records important information. The information helps people understand and explain what went wrong. (9)______ As a result, plane makers can make changes so the problem will not happen again.
A. It records up to 300 different kinds of information about a flight.B. Instead, it is in a plane’s tail.C. Actually, a plane’s black box is usually orange. D. Without it, many questions about an accident could never be answered.E. This protects the devices in two ways.
参考答案
一、1. influence 2. amount 3. figures 4. tired 5. chance 6. concentration 7. changes
8. not to fail 9. learning 10. sleepy
二、1. lying 2. heard 3. scared 4. kill 5. stronger 6. courage 7. against 8. him 9. fight 10. silly
三、1-4 BDBC 6-9 CABED