2. 考研
  3. The 1990s have been designated the Decade Against Drug Abuse by the United Nations. But, (1)_____ less than three years to go be

The 1990s have been designated the Decade Against Drug Abuse by the United Nations. But, (1)_____ less than three years to go be

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问题     The 1990s have been designated the Decade Against Drug Abuse by the United Nations. But, (1)_____ less than three years to go before the end of the decade, governments and health organizations (2)_____ that they have made (3)_____ progress in reducing drug, alcohol and tobacco abuse. Today, consumption of all these substances is increasingly steadily worldwide. (4)_____ every country now has problems with (5)_____ drugs. And the world is producing and consuming more alcohol and tobacco than ever. Between 1970 and 1990 beer production (6)_____ rose by over 80 per cent. And, (7)_____ the number of smokers keeps on (8)_____,by the second or third (9)_____ of the next century there could be 10 million deaths each year (10)_____ smoking related illnesses.
    Drugs are also a huge burden (11)_____ the world economy. In the United States, for example, it’s estimated that alcohol and illegal drug use costs the country tens of billions of dollars each year, mainly (12)_____ health care. When the cost of tobacco related illnesses is added, (13)_____ total more than doubles.
    Drugs are also closely (14)_____ crime. Many police forces no longer (15)_____ between illegal and legal drugs when fighting crime. In Australia, for example, experts (16)_____ that police in some parts of the country spend between 70 and 80 percent of their time dealing with alcohol-related incidents.
    One explanation for the increase in drug (17)_____ is simply that people have more money to spend. Tobacco and alcohol companies are now (18)_____ much more on developing countries to take (19)_____ of greater wealth there. And criminals involved in the illegal drug trade are following (20)_____, introducing drugs into countries where they were previously hardly use.

选项 A、its
B、that
C、which
D、then
答案B
解析 本题是句型结构题。此处用词应考虑是用来构成一个主句的，即When所引导的是从句，其后是一个完整的句子。那么which和then都不能成立，都无法构成主句。its是物主代词，用在此处无可指代。只有用that与total一起构成主语，才能形成完整的主句。
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考研英语一

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