用方框中所给单词的适当形式填空,使短文通顺、正确、连贯(每个单词限用一次)。
| something, not, tree, simply, spend, you, why, that, they, if, little, go, in, on, protect |
The Earth needs a helping hand
The Earth is getting warmer because of the activities of people. We cut down and burn 1 and send gases into the air with our cars and factories. Can we do anything about it? Sure. We may 2 be leaders or scientists but we can play our part in 3 the planet. Here are two ideas.
Bike, don't ride to school
Do you 4 to school by bus or by bike? If you bike, you are doing 5 for the Earth. Buses, cars, trains and planes produce a lot of carbon dioxide (二氧化碳). If you live near to your school, 6 not bike there on warm spring mornings? Or, you can 7 walk to school to save energy.
Wash the green way
Do you help your mom and dad wash clothes? Then wash them 8 an energy-saving way. A recent study by Cambridge University found 9 60 percent of the energy used on a piece of clothing is 10 in washing and drying it. Over its lifetime, a T-shirt can send up to 4 kilograms of carbon dioxide into the air.
11 you wash your own clothes, wash them in cold or warm water to save energy, but not hot water. Wash your clothes when 12 fill up the machine. Use the most energy-saving machine you can find. Some new ones use as 13 as one-fourth of the energy of older machines. When they're clean, dry 14 clothes the natural way, by hanging them 15 a line rather than putting them in a dryer. In all, you can cut the carbon dioxide used in washing by 90 percent.
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| bus have I her different |
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| interest however take monthly weight week start will they new |
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| child, all, see, family, for a moment, show, in, loved, together, cook |
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| nearly busy milk herself wear |
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