Part IV Cloze (10 points)
Directions: In this part, there is a passage with ten blanks. For each blank there are four choices marked A, B, C, and D.Choose the best answer for each blank and mark your answer on the Answer Sheet.
How many people can live on the face of the earth? No one knows the answer. It depends on how much food people can grow 46 destroying the environment.
More people now exist than ever before, and the population 47 growing. Every 15 seconds, about 100 babies are born. Before the end of this century, the earth may 48 10 billion people!
To feed everyone, farmers must grow more fooD.They are trying to do so. World food production has gradually __49__ over the years. In some parts of the world, __50__, the population is growing faster than the food supply. Some experts fear the world will not be able to produce enough food for a __51__ that never stops increasing.
To grow more crops on the same 52 of land, farmers use fertilizers and pesticides (杀虫剂). Some plants new kinds of grains that produce more fooD.These things help-- 53 they don't provide perfect solutions. The chemicals in ferilizers and pesticides can pollute water supplies. The new seeds developed by scientists have reached the 54 of what they can produce.
When hungry people can get no more out of __55__ field, they clear trees from hills and forests for new farmland, and in doing so they expose the soil. Then rain and floods may strip the topsoil from fields. This process is called erosion. Each year erosion steals billions of tons of topsoil from farmers.
46. A.without B.by C.against D.for
47. A.ceases B.keeps C.stops D.stays
48. A.maintain B.retain C.hold D.produce
49. A.exhausted B.declined C.arisen D.risen
50. A.however B.somehow C.anyway D.furthermore
51. A.country B.nation C.population D.community
52. A.range B.amount C.number D.level
53. A.hence B.when C.but D.and
54. A.conclusion B.restriction C.goal D.limit
55. A.growing B.surviving C.remaining D.existing
Part V Text Completion (20 points)
Directions: In this part, there are three incomplete texts with 20 questions. Above each text there are three or four items to be completeD.First, use the choices provided in the box to complete the items. Second, use the completed items to fill in the blanks of the text Mark your answer on the Answer Sheet.
Text One
A.helps
B.while
C.messages
D.closely
Phrases:
A.you watched ___56___ eating it
B.send nerve ___57___ to your brain
C.our noses and our brain are very ___58___ connected
D.___59___ us remember things
For years, scientists have been studying the special powers of smells. It seems that ___60___. When you smell something, the odor goes up your nose to the smelling zones. From here, sense ceils ___61___ telling it what you smelled.
More than our other four senses, our sense of smell changes our mood and ___62___. If you were told to think about popcorn, you'd probably recall its smeil. And then you might remember the movie ___63___. Our sense of smell also makes us aware of danger -- like the smell of smoke.
Text Two
A.give presentations
B.new innovations
C.uploaded
Phrases:
A.how to help poor people with all sorts of ___64___
B.all the speeches are ___65___ to their website
C.___66___ on a variety of topics
TED is a set of conferences, held in various cities around the world every year. With various speakers -- also from various parts of the globe -- ___67___ , for everyone to see.
TED conferences invite speakers to ___68___. The different speakers are usually experts in their field and talk about new ideas and recent developments that are important to their work. The speakers are often also well known, with people such as Microsoft giant Bill Gates and world-renowned chimpanzee expert, Jane Goodall, having given talks. There are many talks on environmentalism, for example, and on international development, aid work, and ___69___. While the talks cover a wide variety of topics, all speakers have a strict time limit -- each presentation must last no longer than 18 minutes.
Text Three
A.to use
B.finding
C.the way
Phrases:
A.good at ___70___ information
B.___71___ their brains work
C.___72___ their imagination
The time spent with technology doesn't just give kids new ways of doing things, it changes ___73___ For example, an article says that while video games may condition the brain to pay attention to multiple stimuli, they can lead to distraction and decreased memory. Children who always use search engines may become very ___74___ -- but not very good at remembering it. In addition, the article said, children who use too much technology may not have enough opportunities ___75___ or to read and think deeply about the material.
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