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Entire populations of American toads(蛤蟆)breed(繁殖)within the same few days at the same time each year, usually late April or early May. The toads hop to their breeding ponds after the ground has warmed and the first hard spring rain falls. To get there, many of the toads will cross roads that cut through their habitat. It will be a grand view of hopping toads as well as a disastrous killing by cars!

The toads are “slow in moving at that time of year―it’s still cool, they’ve been inactive―and they get killed” by cars when crossing roads, said Serrao, a naturalist. An April night five years ago, when Serrao went out to a country road to watch the moving of the toads, he counted 100 toads; 95 were hit by cars.

A similar story can be told for several other species of toads, frogs, crocodiles and turtles around the world.

The world’s amphibians are reducing, and road-killing is just one factor behind it. Other better-known causes of the decline include global warming, insecticides(殺蟲劑), and the loss of wetlands.

Serrao says unless these animals get help crossing the road, their local populations will disappear.

Jackson, a biologist, said one way to help amphibians survive road crossings is to construct “amphibian tunnels” beneath the road. Jackson says tunnels should be a 0.6-meter-by-0.6-meter box, open at the top, and fitted with an iron grate(鐵篩)to allow enough air and light into the tunnel. In addition, fences or walls should extend out from either side of a tunnel for about 30 meters, which guide amphibians toward the tunnels.

European countries have built amphibian tunnels for decades. Jackson led a team that installed the first such tunnel in America in 1987, which helped over 3/4 of the local amphibian population safely cross the road.

Jackson says that there are about a hundred amphibian tunnels in the US today, but many of them were not carefully designed and probably not working well because land developers wanted to save money.

 

62. When do American toads hop to breeding ponds?

A. Before the ground is warm.     

B. When the first heavy rain comes in spring.

C. After it is cool in sunny summer time.      

D. When it is early April.

63. Which is not the cause of the quick decline of the amphibian population?

A. The use of chemicals to kill insects.       B. The reduce of wetlands.

C. The development of car industry.          D. The green house effect of the earth.

64. Which of the following is true?

A. Toads are active when they begin their breeding migration.

B. A toad tunnel works effectively with a grate to let in air and light.

C. Amphibian tunnels were first built in America.

D. One hundred amphibian tunnels in the US work well

65. The passage is mainly about the protection of ________.

A. amphibians from road-killing    B. animal species from reducing

C. toads from breeding                D. toads, frogs, and turtles around the world

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buttery popcorn sounds like a perfect way to spend a Saturday night
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entire row of moviegoers around you.
A review of the nutritional contents of movie-theater popcorn reveals
an alarming amount of fat, salt and calories in even the smallest sizes.
The study, mad by Dr. Nestle from the Center for Science in the Public
Interest, checked popcorn from three movie theater chains and detailed
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A large tub of popcorn at Regal Cinemas, for example, holds 20 cups of popcorn and has 1,200 calories, 980 milligrams of sodium(鈉)and 60 grams of saturated(飽和)fat.
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Even the “healthiest” sample of popcorn tested, a small size from AMC containing 6 cups of popcorn, had 370 calories, enough to share with a friend, eating one grain at a time to make it last the length of a movie.
The third movie theater chain tested. Cinemark, is slightly better than its competitors because it pops its popcorn in non-hydrogenated canola oil instead of coconut oil. Cinemark’s large tub contains 17 cups of popcorn with 910 calories and 4 grams of saturated fat, as well as up to 1,500 milligrams of sodium — nearly enough for the entire day.
One way to make your popcorn healthier? Ask the theater to pop a portion without salt. Two of the movie theaters that had their popcorn tested said they would oblige such a request. The best way to make your movie snack healthier, however, would be to skip the popcorn — and the concession stand — altogether.
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C.popcorn from Regal cinemas contains the least unhealthy substances
D.only the three movie theatre chains provide popcorn for the moviegoers
72.While you are watching the movie,      is the best way to keep you healthy.
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D.we should turn to other people and ask them to take on the responsibility
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“There is a tendency to decide that no action is needed.” says a psychologist. “The first thoughts that pop into your mind often keep you from offering help. In order to take action, you have to work against them.” Here are some common thoughts that might prevent you from helping.
● Why should I be the one? I’m probably not the most competent(有能力的) person in this crowd. You might think someone older or with more medical knowledge should offer assistance.
● What if he doesn’t really need my help? The fear of embarrassment is powerful; no one wants to risk looking foolish in front of others.
● No one else looks concerned- this must not be a problem. We can follow the people around us, but most people tend to hold back their emotions in public.
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A.I’m not the very person capable of setting the problem.
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B.we should take on the whole responsibility and do something alone.
C.we should stop and evaluate the situation and try to make other people follow.
D.we should turn to other people and ask them to take on the responsibility
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A.ask others for help and call the police
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D.work against the first thoughts that prevent you offering help
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C
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A. Avoid eating popcorn.                                  B. Share popcorn with friends.
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A.Room 1.B.Room 2.C.Room 3.D.The Footwear Library.
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A.share the same theme
B.have the same shape
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D.belong to the same social class
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