Modern day robots may not be as entertaining as R2D2 or the robot from Lost in Space, but robots are very important to space exploration and are being used in a variety of different ways for several important reasons.
Robots make great explorers on planets, moons, and other landing areas. Aside from the earth, just about every surface in the solar system is unsafe for humans to explore. The air on most other planets is insufficient fortunate for humans to explore. The air on most other planets is insufficient for humans to breathe, making it necessary to wear a space suit and oxygen equipment. The temperatures on these surfaces are much too hot or much too cold for any humans to withstand. Plus there would be complications with radiation, weather, and a lack of gravity. Robots have much less limitation in these areas and can survive much longer under these conditions.
Robots are designed for collecting scientific data. Robots are also able to perform many tasks at one time and can process information much quicker and more efficiently. Important scientific projects from detecting minerals, analyzing ground samples, to finding water are all performed much quicker and accurately by robots.
The use of robots has made the cost of space exploration much less expensive than it would cost for humans to do the work. In order to successfully send humans into space we would need to build a vehicle that can not only carry humans, but also enough | food and water to keep them alive for the duration of the trip. Moreover, robots have no problems working for hours on end. Robots never complain, they don’t require food or water, and they never need a bathroom break.
Over the past 30 years or so there have been many different types of robots used successfully in the exploration of space. Perhaps the most famous and successful robots are Spirit and Opportunity who have both been exploring the surface of Mars. They have both been very successful with experiments on soil and rocks and have even found evidence of water in Mars’ history.
1.Which of the following would be the best title for the passage?
A. The Development of Robots B. The Discovery of Space Exploration
C. No Robots, No Space Exploration D. Robots Are Used in Space Exploration
2.According to the passage, which of the following is NOT true?
A. The use of robots in space exploration costs more than the use of humans.
B. It is dangerous for. humans to explore other surfaces in the solar system except the earth.
C. Both Spirit and Opportunity have found the evidence of water on Mars.
D. Many different types of robots have explored the space successfully.
3.The underlined word “withstand” in paragraph 2 most probably means “______”
A. remain B. bear
C. defeat D. develop
4.What is the writer’s attitude in this passage?
A. Negative. B. Persuasive.
C. Subjective. D. Objective.
People always think men are more skilled than women in driving. Nowadays women appear to have a positive image of themselves as safer drivers than men.
In a survey done by insurer MetLife, 51% of women said they drive more safely. The evidence is on their side: Men are 3.4 times more likely than women to get a ticket for careless driving and 3.1 times as likely to be punished for drunk driving. “Women are on average less aggressive and more law abiding(手法的) drivers, which leads to fewer accidents,” the report says. However, not all male drivers share the same opinion. Of the men surveyed by MetLife, 39% claimed male drivers were safer. The findings did back them up on one point: automotive knowledge. The report showed that more men are familiar with current safety equipment such as electronic stability control, which helps prevent rollover accidents.
Auto safety unavoidably matters to money. Insurance companies focus on what classes of drivers have the lowest dollar amounts of claims, and for now, that mainly includes women. In general, women pay about 9% less for auto insurance than men. A study by the website Insweb also showed that auto insurance rates are lower for women in most states. Among individual states, women get the greatest advantage in Wyoming(where they pay 20% less), South Dakota and Washington, D.C., where their insurance costs are 16% lower.
“More than 11,9000 male drivers died in U.S. traffic accident in 2009, compared with just under 4,900 women drivers,” according to the study. “Based on miles traveled, men died at a rate of 2.5 deaths per 100 million miles traveled, vs. 1.7 deaths for women.”
1.According to the study, male drivers __________.
A. are less aggressive while driving
B. are more skilled at auto knowledge
C. are more likely to stick to driving laws
D. are less familiar with safety equipment
2.Insurance companies focus on female driver clients(客户) probably because they __________.
A. cause more accidents on the road but ask for little
B. cause little damage and pay more money to the insurance companies
C. are more careful drivers and cause less damage
D. make up the most part of the insurance clients
3.We can infer from the passage that __________.
A. men are 3.1 times more likely to get tickets than women
B. all women in the USA pay the same for their auto insurance
C. more female drivers die every year than male drivers
D. women are generally safer drivers than the opposite sex
4.The writer mainly develops paragraphs by __________.
A. giving examples B. making comparisons
C. drawing a conclusion D. presenting an argument
Welcome to Pocono Whitewater
There's something fun here at Pocono Whitewater for every level of adventurer! We have mild(柔和) to wild white & shy; water rafting (漂流), family trips, and bird & shy; watching boating. Choose one adventure now. It's up to you! We have trips available daily. Give us a call today!
Dam Release White & shy; water Rafting
Experience the best whitewater on the Lehigh River! Surrounded by forests and mountains, you will enjoy 12 miles and 5 hours of Class (等级) Ⅲ white & shy; water rafting and outstanding scenery. This is a fun and thrilling(激动人心的) trip that everyone over the age of 12 can make. While paddling (划桨行进) in the swift water, you'll shout and laugh.
Dam Release White & shy; water Rafting Rates:
★ Individual (over the age of 12) : $61.00
★ Group ( at least 8 persons) : $31.00
Rates Include: all necessary rafting equipment, life jackets, free parking, bus service to/from the river and professional river guides.
Family Style White & shy; water Rafting
Bring along the whole family this summer and enjoy 8 miles and 5 hours of Class I white ­ water rafting. Mild water of the Lehigh River is simply perfect for beginners, school groups, and kids aged 4 and older. This is just perfect for enjoying the passing scenery, kicking your feet over the edge of the raft, or taking a swim in the river!
One of the most unique things about this trip is a free riverside barbeque (烧烤)! Our workers will cook and serve you a picnic lunch — hotdogs, potato salad, fruit, etc. The classic family picnic!
Family Style White & shy; water Rafting Rates:
★ Adult: $39.00
★ Child (aged 4—14) : $33.00
★ Group (at least 8 persons) : $30.00
Rates Include: all necessary rafting equipment, life jackets, free parking, bus service to/from the river, and a barbeque lunch, river guides not included.
1.We can infer that ____.
A. the higher the class is, the milder the water is
B. the lower the class is, the milder the water is
C. the higher the class is, the safer the rafting is
D. the lower the class is, the faster the rafting is
2.If 10 college students are to participate in the Dam Release White & shy; water Rafting, how much money will be paid in total?
A. $610. B. $330.
C. $390. D. $310.
3.Family Style White-water Rafting is unique in that ____.
A. it allows people to swim in the river B. the river water is very clean
C. it provides a barbeque lunch for free D. it offers a free birdwatching activity
______other good students, the teacher thinks Hank is ______ student.
A. Compared with; a most satisfied B. Compared to; the most satisfied
C. Comparing to; the more satisfying D. Compared with; a more satisfying
—How many students do you think will be present at the meeting?
—I expect ______ 20 students at the meeting.
A. there being B. there to be
C. there be D. there been
Every year, a great many visitors come to visit the temple ______ the 12th century, ______ has brought a large income.
A. dating from; which B. dated from; which
C. which dates from; that D. which dated from; which