—What about the protection?—Let’s keep the su...

—What about the protection?

—Let’s keep the surface________dirt by putting a cover over it.

A．far from B．free from    C．apart from   D．away from

高三英语单项填空中等难度题查看答案及解析

­­—— What’s up ,Mary?

——I’m worried about the interview I had yesterday.

——________ ,and let’s keep our fingers crossed and hope for the best.

A. Come on      B. No wonder      C. Get ready         D. No problem

高三英语单项填空中等难度题查看答案及解析

We know more about the surface of the planet Mars than we know about what is at the bottom of Earth’s oceans.

Until recently, scientists had mapped only about 20 percent of the sea floor. But our knowledge of the deep seas is changing because of information from satellites. Scientists have produced a new map that provides a detailed picture of the oceans. The map is expected to help oceanographers, industry and governments.

The new map is twice as detailed as the map made 20 years ago. David Sandwell is a geophysics professor at the Scripps Institution of Oceanography at the University of California. He and other scientists worked on the mapping project. He says they turned to space to look deeper into the ocean. He spoke to VOA on SKYPE.

“The way we’re doing that is to use a satellite altimeter (高度计), a radar to map the topography (地貌) of the ocean surface. Now that seems sort of strange that you’d map the topography of the ocean surface when you really want to get at the sea floor. But, the ocean surface topography has these bumps and dips due to gravitational effects that mimic what’s on the sea floor.”

The scientists collected and studied information from two satellites. Some of the data came from the European Space Agency’s Cryo-2 satellite. It was placed in Earth’s orbit to watch sea ice. The other satellite is the American space agency’s Jason-1. It is studying the surface of the oceans. Scientists combined the satellite data with images gathered by sonar ( 声呐：利用声波探测水下物体的装置或系统) equipment on ships. Sonar works by sending sound waves through the water. When the sound waves hit an object, its presence is confirmed.

“That enables us to look at smaller-scale features and also features that are buried by sediments in the ocean basins.”

The new map shows the sea floor as it has never been seen before. It shows thousands of underwater mountains and places where continents pulled apart. It shows where earthquakes were active many years ago. They all are buried deep underneath the ocean floor.

In one place, three mountain ridges join at the same area. Huge tectonic (构造的) plates can be seen clearly there.

1.The passage is likely to _____.

A. be an advertisement　　　　　　　　　　　　 B. appear on VOA

C. make a comment on radar　　　　　　　　　　 D. appear on SKYPE

2.What will be mentioned in the following paragraph, according to the last paragraph? _____.

A. The detailed information about the place.

B. The more important thing in the ocean.

C. The things buried in the ocean.

D. Scientists told SKYPE they will explore at the same area.

3.Scientists collected and studied information by _____.

A. the European Space Agency’s Cryo-2 satellite

B. the American space agency’s Jason-1

C. sonar equipment on ships

D. the Cryo-2 and the Jason-1

4. What’s the best title of the passage? _____.

A. Scientists Create New Maps of Ocean Floor

B. Scientists Knows More Oceans Than Mars

C. Oceans Will Provide Us With Maps

D. People Knows Easily About Mars

高三英语阅读理解困难题查看答案及解析

—So many cases about football violence recently!

—Yes, it is difficult to let the football fans keep _____.

高三英语单项填空极难题查看答案及解析

What are the speakers talking about?

A.What time to meet. B.Where to go dancing. C.What to eat for dinner.

高三英语短对话中等难度题查看答案及解析

What are the speakers mainly talking about?

A. Environmental protection.

B. Greenhouse effect.

C. Gardening skills.

高三英语短对话困难题查看答案及解析

Why do people undertake volunteer work and what keeps their interest in the work?

Let’s begin with the question of why people volunteer. Researchers have identified several factors that motivate people to get involved. For example, people volunteer to express personal values related to unselfishness, to expand their range of experiences, and to strengthen social relationships. If volunteer positions do not meet these needs, people may not wish to participate. To select volunteers, you may need to understand the motivations of the people you wish to attract.

People also volunteer because they are required to do so. To increase levels of community service, some schools have launched compulsory volunteer programs. Unfortunately, these programs can shift people’s wish of participation from an internal factor to an external factor. When that happens, people become less likely to volunteer in the future. People must be sensitive to this possibility when they make volunteer activities a must.

Once people begin to volunteer, what leads them-to remain in their positions over time? To answer this question, researchers have conducted follow-up studies in which they track volunteers over time. For instance, one study followed 238 volunteers in Florida over a year. One of the most important factors that influenced their satisfaction as volunteers was the amount of suffering they experienced in their volunteer positions. Although this result may not surprise you, it leads to important practical advice. The researchers note that attention should be given to “training methods that would prepare volunteers for troublesome situations or provide them with strategies for coping with the problem they do experience”.

Another study of 302 volunteers at hospitals in Chicago focused on individual differences in the degree to which people view “volunteer” as an important social role. It was assumed that those people for whom the role of volunteer was most part of their personal identity would also be most likely to continue volunteer work. Participants indicated the degree to which the social role mattered by responding to statements such as “Volunteering in hospital is an important part of who I am.” Consistent with the researchers’ expectations, they found a positive correlation (正相关) between the strength of role identity and the length of time people continued to volunteer. These results, once again, result in concrete advice: “Once an individual begins volunteering, continued efforts might focus on developing a volunteer role identity... Items like T-shirts that allow volunteers to be recognized publicly for their contributions can help strengthen role identity.”

1.People volunteer mainly out of ________.

A.school requirements B.social expectations

C.financial rewards D.internal needs

2.What does the author want to tell us in the third paragraph?

A.People who participate in volunteer programs in schools are sensitive.

B.External factors are more important than internal factors in volunteer work.

C.Being required to be volunteers may make people reluctant to do volunteer work.

D.Volunteer programs in school can encourage people to do more volunteer work in future.

3.What can we learn from the Florida study?

A.Follow-up studies should last-for one year.

B.Volunteers should get mentally prepared.

C.Strategy training is a must in research.

D.Volunteers are provided with concrete advice.

4.What is most likely to motivate volunteers to continue their work?

A.Individual differences in role identity.

B.Practical advice from researchers.

C.Role identity as a volunteer.

D.Publicly identifiable volunteer T-shirts.

高三英语阅读理解困难题查看答案及解析

--When shall we start?

　---Let's _____ the time for the trip. What about 8:30? Is that all right?

高三英语单项填空简单题查看答案及解析

What does the man think about Jennifer?

A. She is like many other people　　 B. She always keeps her word　　 C. She is tougher than men

高三英语短对话中等难度题查看答案及解析

Is it okay to keep exercising when you have a cold? What about the flu? With winter viruses going around, it’s important to know how to alter your training if you do catch a germ or two.

“The guidelines are pretty easy,” says Dr Lorenzo Masci from the Alphington Sports Medicine Clinic. “Anything above the neck --- so if you’ve got a cold for example, a runny nose or a sore throat --- then you should probably cut down your exercise by half and do 50 percent of what you normally do.”

“If you’ve got anything below the neck, like muscle pain, joint pain or fever, you shouldn’t really exercise at all until those general symptoms settle down,” Lorenzo says. He points out that a cough would also fall into this more serious category. “For example, if anyone comes in with a fever and a runny nose, I’d tell them to stop exercising until the fever and the muscle ache settles. Then they can start their training again at 50 percent once all those symptoms settle, even if they’ve got a bit of a runny nose or a sore throat.”

“The reason we tell people to stop exercising is because if you exercise when you’re unwell it can make the illness worse and prolong it.” There is a second reason Lorenzo advises his patients to stop exercising when they have “below the neck” symptoms. In the event you have an illness which affects your heart, exercise can sometimes actually lead to death.

Lorenzo advises to take zinc (锌) and vitamin C as a way of preventing colds. But he admits that this is controversial --- some studies have shown that these supplements can improve immune function while other studies have cast doubt on the issue. The good news is that if you exercise regularly, you’re likely to improve your immune function. “If you exercise too much, it can predispose (使倾向于) you to coughs and sniffles,” he points out. This is often the case for excellent athletes who train every day, such as triathletes (铁人三项运动员). “But what we do know is that if you exercise at a moderate level, your immune system improves such that you’re probably at a lower risk of developing coughs and colds.”

1.How many guidelines does Dr Lorenzo mainly suggest on doing exercises when people catch a cold?

A．One.　　 B．Two.　　 C．Three.　　 D．Four.

2.How should people do exercises with a fever or a cough?

A．They should probably reduce their training time by 50%.

B．They should stop exercising until they recover.

C．They should start exercising at 50% after their runny nose settles.

D．They should do half of what they normally do.

3.What is the worst result if people don’t stop exercising when they are unwell?

A．Worsening the illness.

B．Prolonging the illness.

C．Affecting the heart.

D．Bringing about threat to life.

4.What can be proved from the last paragraph?

A．Zinc and Vitamin C can help to prevent colds.

B．The more exercises we do, the stronger our immune function will be.

C．Doing exercises regularly can help us prevent colds.

D．Excellent athletes seldom get coughs or sniffles.

5.What is this passage mainly about?

A．Relationship between exercises and flu.

B．How to do exercises.

C．How to cope with flu.

D．When to do exercises.

高三英语阅读理解中等难度题查看答案及解析