Rivers are one of our most important natural resources. Many of the world’s great cities are ____1.____ (locate) on rivers, and almost ____2._____ country has at least one river flowing through it that plays _____3._____ important part in the lives of its people.
Since the beginning of history, people ____4.____ (use) rivers for transportation. The longest one in the United States is the Mississippi, and the lifeline of Egypt is the Nile. ____5._____ transportation, rivers give water to drink, water for crops, and chances for fun and recreation for the people ____6.___ live along their banks.
However, large cities and industries that are located on rivers often make problems. As the cities grow ___7._____ size and industries increase in number, the water in the rivers becomes _____8.____ (pollute) with chemicals and other materials. People are learning the ____9._____ (important) of doing more to keep their rivers clean ____10.____ they want to enjoy the benefits of this natural resource.
located
1.every/each
2.an
3.have been using/have used
4.Besides
5.who/that
6.in
7.polluted
8.importance
9.if/because
【解析】
試題分析:河流對(duì)于幾乎任何一個(gè)國(guó)家都很重要,而保護(hù)河流也顯得極為重要了。
1.…位于”,be located:“位于”,故該空填located.
2.country可知,該空不填all,而填every/each.
3.lay an important part in:“起到重要作用”,故該空填不定冠詞an.
4.Since the beginning of history,”可知其所修飾限定的謂語(yǔ)應(yīng)為現(xiàn)在完成(進(jìn)行)時(shí),故該空填have been using/have used.
5.Besides接賓語(yǔ)transportation,表示“除了運(yùn)輸之外,(還…)”。
6.people,且關(guān)系詞代替其在定語(yǔ)從句中充當(dāng)主語(yǔ),故該空正確答案為who/that.
7.…方面”:in,該句句意:“隨著城市‘在規(guī)模上的’擴(kuò)大、工業(yè)在數(shù)量上的增加,河里的水變得…”,故該空應(yīng)填介詞in.
8.olluted“被污染的”。
9.importance.
10.if/because.
考點(diǎn):重點(diǎn)詞匯、短語(yǔ)及句式
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