題目列表(包括答案和解析)
Read the passage and do the exercises according to the requests.
(閱讀表達(dá)。)
閱讀所給短文,并根據(jù)短文后題目的要求進(jìn)行簡答。?
Comic(喜劇的)book superhero Spider-Man uses tiny hairs on his fingertips to climb up walls.But he could have had another secret weapon to help him stick.
Scientists have now found that some spiders can also make silk in their feet, which may sometimes help them get a firmer grip on a surface.
Spiders are good at gripping walls with their legs.Thousands of little hairs on their feet make it possible.To test whether spiders also make these hairs wet to improve grip, scientists watched zebra tarantulas crawl(爬行)up glass slides.
When they tilted a glass slide until it was almost vertical, the spider slipped a few millimeters before attaching itself again.The scientists were surprised to see little threads(線)stretching from its feet to the slide.When they studied the spider’s feet under a special microscope, they found tiny silk-shooting spouts(吐出)among the hairs.
This was a surprise because scientists had previously thought spiders only use special organs near their stomachs to make silk.
It’s possible that, a long time ago, feet were the first body parts of spiders to produce silk.Only later in their evolutionary(進(jìn)化)history did spiders develop spinnerets on their abdomens(腹部)to produce silk for webs(網(wǎng)).
If so, the researchers say, this could mean that the silk’s original purpose was to , rather than to build homes or trap prey(獵物).
1.What is the best title of the passage?(Please answer within 10 words.)
________________________
2.Which sentence in the passage can be best replaced by the following one?
It has been discovered that the silk spouted from the feet of the spiders can assist them to get attached on objects.
________________________
3.Fill in the blank with proper words or phrases.(Please answer within 10 words.)
________________________
4.Translate the underlined sentence into Chinese.
________________________
5.What can you learn from this discovery?(Please answer within 20 words.)
________________________
.
Walking is a popular form of exercises. It is an easy activity and offers a good way to improve physical fitness. Walking also gives many of the same benefits as other kinds of exercises.
Regularly, brisk walks helps a person’s body work better. Walking builds a stronger heart and lungs. The heart pumps blood through the body. It gets more rest between beats. Walking also seems to help protect the heart from heart diseases. The lungs work better because they take in and use oxygen more effectively. Walking can help __________, too. A quick fifteen-minute walk burns as many calories as jogging the same distance in half the time. Walking causes very few injuries. So there is also a lower “dropout” rate among walkers than among runners. People are more likely to continue a walking program. This gives a better chance for success.
Walking offers some mental benefits, too. It seems to make people feel better. Many walkers say they sleep better at night when they take regular walks. Others say they have a better attitude about life.
Walking offers many of the same physical and mental benefits as other forms of exercise, but walking offers some special advantages, too.
★ Almost everyone can walk. There are no special lessons of coaching. To become a serious walker, a person only needs to walk faster, farther and more often.
★ People can walk almost anywhere. There are no special playing fields or courts for walking. Sidewalks, streets, parks, fields and malls are excellent places for walking.
★ People can walk almost anytime. A person doesn’t need a team or a partner for walking. There is no “season” for walking. Most walkers walk in all kinds of weather.
★ Walking doesn’t cost anything. There are no special fees for walking. Good walking shoes and comfortable clothes are the only equipment that a walker needs.
Walking offers a form of exercise within the reach of nearly everyone. With a little time and effort, people can rediscover a valuable form of exercise and improve their fitness.
53. What’s the best title of the passage?(within 10 words)
_________________________________________________________________
54. Which sentence in the passage can be replaced by the following one?
Compared to running, more people can continue walking as a form of exercise.
_________________________________________________________________
55. Please fill in the blank in the 2nd paragraph with proper words or phrases.(within 10 words)
_________________________________________________________________
.
Walking is a popular form of exercises. It is an easy activity and offers a good way to improve physical fitness. Walking also gives many of the same benefits as other kinds of exercises.
Regularly, brisk walks helps a person’s body work better. Walking builds a stronger heart and lungs. The heart pumps blood through the body. It gets more rest between beats. Walking also seems to help protect the heart from heart diseases. The lungs work better because they take in and use oxygen more effectively. Walking can help __________, too. A quick fifteen-minute walk burns as many calories as jogging the same distance in half the time. Walking causes very few injuries. So there is also a lower “dropout” rate among walkers than among runners. People are more likely to continue a walking program. This gives a better chance for success.
Walking offers some mental benefits, too. It seems to make people feel better. Many walkers say they sleep better at night when they take regular walks. Others say they have a better attitude about life.
Walking offers many of the same physical and mental benefits as other forms of exercise, but walking offers some special advantages, too.
★ Almost everyone can walk. There are no special lessons of coaching. To become a serious walker, a person only needs to walk faster, farther and more often.
★ People can walk almost anywhere. There are no special playing fields or courts for walking. Sidewalks, streets, parks, fields and malls are excellent places for walking.
★ People can walk almost anytime. A person doesn’t need a team or a partner for walking. There is no “season” for walking. Most walkers walk in all kinds of weather.
★ Walking doesn’t cost anything. There are no special fees for walking. Good walking shoes and comfortable clothes are the only equipment that a walker needs.
Walking offers a form of exercise within the reach of nearly everyone. With a little time and effort, people can rediscover a valuable form of exercise and improve their fitness.
53. What’s the best title of the passage?(within 10 words)
_________________________________________________________________
54. Which sentence in the passage can be replaced by the following one?
Compared to running, more people can continue walking as a form of exercise.
_________________________________________________________________
55. Please fill in the blank in the 2nd paragraph with proper words or phrases.(within 10 words)
_________________________________________________________________
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