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2010届高二英语升级考试精品专题辅导
(七)
高二 Units 13 - 14
☆重点句型☆
1. Life in the oceans range from the tiniest plants all the way up to giants like sharks and whales.
2. Water is actually quite simple, but the way the water molecule is formed gives water its unique properties.
3. They form a polar molecule, that is, one with a slightly positive end and a slightly negative end.
4. The salinity of the earth's oceans is about thirty-five parts per thousand, meaning that there are about 35 grammes of dissolved solids and gases in one kilo of water.
5. Heat capacity is the amount of energy it takes to raise the temperature of a substance by one degree centigrade.
6. Water, which seems ,so simple and common, is what makes life possible.
7. Freedom fighters can be found everywhere and they are of all times.
8. From the late eighteenth century to well into the nineteenth century different people struggled for their rights.
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