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2008高三英语复习系列学案Chapter18 SBII Unit13-Unit14 人教版
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2008高三英语复习系列学案Chapter18 SBII Unit13-Unit14 人教版
☆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.
☆重点词汇☆
1. sailor n. 水手
2. transport n. & vt. 运输
3. range vi.& n. 变动
4. hydrogen n. 氢
5. oxygen n. 氧气
6. relative adj. 相对的
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