[单项选择]There have been some insensible people who attempt to end their pains through suicide. （）
A. by and large
B. once for all
C. heart and soul
D. on the whole

[单项选择]There have been some insensible people who attempt to end their pains （　） through suicide.
A. by and large
B. once for all=forever
C. heart and soul
D. on the whole

[单项选择]

Wherever people have been, they have left waste behind, which can cause all sorts of problems. Waste often stinks, attracts vermin and creates eyesores. More seriously, it can release harmful chemicals into the soil and water when dumped, or into the air when burned. And then there are some really nasty forms of industrial waste, such as spent nuclear fuel, for which no universally accepted disposal methods’ have thus far been developed.
Yet many also see waste as an opportunity. Getting rid of it all has become a huge global business. Rich countries spend some $120 billion a year disposing of their municipal waste alone and another $150 billion on industrial waste. The amount of waste that countries produce tends to grow in tandem with their economies, and especially with the rate of urbanization. So waste firms see a rich future in places such as China, India and Brazil, which at present spend only about $5 billion a year collecting and treating their municipal wa
A. Waste is everywhere
B. Waste is very harmful
C. Waste should be treated universally
D. Waste can be an opportunity

[单项选择]Approximately 5,000 people who have been convicted of nonviolent crimes in the state have been given community-service sentences instead of prison sentences. These offenders perform services commensurate with their training and skills, from scrubbing floors to conducting research for the state. The community-service program, which began in 1979, has grown immensely as a result of drunken-driver legislation enacted a few months ago.
The introduction of the community-service program in 1979 was most probably prompted by which of the following, all of which occurred during the 1970’s
A. A decrease in the number of violent crimes in the state.
B. An increase in the number of crimes committed by employees of the state.
C. A gradual decrease in the median age of judges in the state.
D. The overcrowding of prisons in the state.
E. (E) The passage of drunken-driver legislation in other states.

[填空题]For centuries people have been fighting over whether governments should allow trade between countries. There have been, and probably always will be, (1) to the argument. Some people argue that just (2) is best for both the country and the world. Others argue that trade with other countries (3) for some people to make a good living. Both sides are at least (4) .
International trade matters a lot. Its effects on (5) are enormous. Imagine a world in which your country (6) at all with other countries. Imagine what kind of job you would be (7) and what goods you could buy or not buy in such a world.
For the United States, for example, start by imagining that it lived without its (8) a year in imported oil, and cut back on its (9) because the remaining domestic oil and other energy sources were (10) . Producers and consumers in other parts of the economy would (11)