The phrase "the world" in the first line of the passage refers to According to the passage, sea-water can be turned into fresh

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问题 The phrase "the world" in the first line of the passage refers to
According to the passage, sea-water can be turned into fresh water by

选项 A、heating it up
B、treating it with chemicals
C、taking salt out of it
D、drying it up

答案C

解析 利用题干中的“fresh water, sea-water”作为答案线索词,于是在倒数第2段的最后两句中找到答案相关句(remove的含义是“去除”),确认答案C。 All we’d have to do to make use of the vast amount of sea-water is-remove the salt.This salt-removing process is already in use in many parts of the world.
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