[单项选择]Several international events in the early 1990s seem likely to______, or at least weaken, the trends that emerged in the 1980s.


A. retrieve
B. revolve
C. reverse
D. revive

[单项选择]Several international events in the early 1990s seem likely to______, or at least weaken, the trends that emerged in the 1980s.


A. revolt
B. revolve
C. reverse
D. revive

[单项选择]In the early 1990s various measures were ______ to encourage savings, stimulate investment and motivate worker effort.


A. implemented
B. imparted
C. complimented
D. exploited

[单项选择]An international treaty signed several years ago bans trade in plants and animal of endangered species.
A. forbids
B. eliminates
C. promotes
D. protects

[单项选择]The early pioneers had to （　） many hardships to settle on the new land.
A. go along with
B. go back on
C. go through
D. go into

[单项选择]During the 1990s world oil production will approach geological estimates of maximum production______, even with rapidly increasing petroleum prices.


A. capability
B. quota
C. potentiality
D. capacity

[单项选择]

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 yea
A. when
B. with
C. as
D. if