36. Researchers have spent a decade collecting data (_____) the study was based.

38. In order not to be disturbed, I spent three hours (_____)_ in my study.

A. 　locking

B. 　locked

C. 　to lock

D. 　being locked

50.My sister is used to () with all the window’s open.

A. 　 sleep

B. 　 sleeping

C. 　 have slept

D. 　 the sleepingPart

5. Passage Fourteen For a long time， people have disagreed about whether golf is a sport or a game. On one side of the argument， people say that golf meets the dictionary definition of a sport， because it is a physical， athletic activity. They add that golf is recognized as a sport by sporting goods companies， athletic groups， fans， and the media. Also， golf’s inclusion in the Olympics in 2016 is more proof that it is sport. On the other side， people say that golf is a game， not a sport. They say golf is not a very physical activity and can be played well by people who are overweight or injured. Also， golf was only recently added to the Olympics. For more than 100 years it was not included in the Olympic Games. For many， the Olympic Games serve as a measurement for whether an activity should be called a sport. Golf was first included in the Olympics in 1900. However， it was removed shortly thereafter because of a lack of participation and conflict with other golf events. Through the years， there were several attempts to bring golf back to the Olympics. It wasn’t until the 2016 Summer Olympics in Rio de Janeiro， Brazil that golf returned. Some say the return of golf does not prove that it is a sport. Rather， it only proves that the Olympics wanted to benefit from the star power of famous golfers like Tiger Woods. The disagreement continues today. Those who think golf is a sport point to pro-golfers like Woods， who are strong and fit. Those who disagree point to golfers like John Daly. He is a successful pro-golfer who once had health problems. So is golf a sport? The answer depends on who you ask——and whether that person owns a set of golf clubs.The author seems to suggest in the last paragraph that ( ) .

A. golf is a game

B. golf is a sport

C. golf is both a game and a sport

D. there is no definite answer

33. Early in the day came the news (_____)_ Germany had declared war on Russia.

A. 　 which

B. 　 what

C. 　 that

D. 　 whose

48. Though we hadn't met each other for 30 years, I recognized him(_____)I saw him.

A. 　 the moment

B. 　 the moment when

C. 　 for the moment

D. 　 at the moment when

5. Passage One There are three separate sources of danger in supplying energy by nuclear power. First， the radioactive material must travel from its place of production to the power station. Although the power stations themselves are strongly built， the containers used for the transport of the materials are not. Normally， only two methods of transport are in use， namely road or rail. Unfortunately， both of these may have an effect on the general public， since they are sure to pass near， or even through， heavily populated areas. Second， there is the problem of waste. All nuclear power stations produce wastes that in most cases will remain radioactive for thousands of years. It is impossible to make these wastes nonradioactive， so they must be stored in one of the inconvenient ways that scientists have invented. For example， they may be buried under the ground， or dropped into deserted mines， or sunk in the sea. However， these methods do not solve the problem， since an earthquake could easily break the containers.
Third， there may occur the danger of a leak or an explosion at the power station. Compared with the other two dangers， this is not very likely， so it does not provide a serious objection to the nuclear program. However， it can happen. Separately， these three types of dangers are not a great cause for worry. Taken together， though， the probability of disaster is extremely high. Which of the following is TRUE?

A. The public are not strongly against the nuclear program.

B. The public are strongly against the nuclear program.

C. The public are not worrying about the dangers of unclear power.

D. The public know little about the dangers of unclear power.

4. Passage Seven A few centuries ago， people looked at the birds and wondered what it would be like to fly like them. There were stories of heroes who glued bird feathers on their arms and flew up into the sky. About 500 years ago， some people dreamed a different dream. Instead of flying up to the sky， they dreamed of falling from the sky! In the 15th century， Italian inventors designed a cone-shaped (雏形) device that was supposed to bring a man down safely from a great height. The operator held on to a handle with straps strapped to his waist. This was the first known design for a parachute (降落伞) . Even the great inventor Leonardo da Vinci sketched a type of parachute. His parachute design was in the shape of a pyramid (金字塔). Other inventors also sketched their own designs for a parachute. Unfortunately， these were only designs on paper and no one tested them . A Croatian inventor named Fausto Veranzio looked at Leonardo da Vinci’s parachute design and replaced the pyramid shape with one that looked like a sail from a ship. When Veranzio was 65 years old， he fell ill. Thinking he would not live longer， he decided to try out his parachute invention. He built his parachute using wood and cloth. Strapping his invention to his waist， he jumped off the tall bell tower in his city. He landed safely! He was supposedly the first man to successfully use a parachute. However， some people thought this story was not true. If that was the case， then the first person to successfully use a parachute would go to a Frenchman named Louis-Sebastien Lenormand in 1783 .As for the first man who successfully used a parachute， ( ) .

A. it was said to be Leonardo da Vinci

B. we know for sure he was Veranzio

C. there were some historical records

D. we don’t know for sure yet

38. Tom never dreams of (_____) for him to study abroad in China so soon.

A. 　 being a chance

B. 　 there being a chance

C. 　 there to be a chance

D. 　 there be a chance

50. This project is said right now and so far everything is going on quite smoothly.

A. 　 to have carried out

B. 　 having been carried out

C. 　 to have been carried out

D. 　 to be being carried out

5. Passage Thirteen Trees are useful to man in three important ways: they provide him with wood and other products; they give him shade; and they help to prevent droughts and floods. Unfortunately， in many parts of the world， man has not realized that the third of these services is the most important. In his eagerness to make money from trees， he has cut them down in large numbers， only to find that without them he has lost the best friends he had. And besides， he is usually too careless to plant and look after new trees. So the forests slowly disappear. This does not only mean that man will have fewer trees. The results are even more serious: for where there are trees， their roots break up soil——allowing the rain to sink in——and also bind the soil， thus preventing it from being washed away easily; but where there are no trees， the rain falls on hard ground and flows away， causing floods and carrying away the rich top-soil. When all the top-soil is gone， nothing remains but worthless desert. Two thousand years ago a rich and powerful country cut down its trees to build warships， with which to gain itself an empire. It set up the empire but， without its trees， its soil became poor and it grew weak. When the empire fell to pieces， the home country found itself faced with floods and starvation.What does the author tell us in this passage?

A. How trees help prevent droughts and floods.

B. The relationship between trees and man.

C. How an empire fell to pieces in ancient times.

D. A story of trees.