[单项选择]All the off-shore oil explorers were in high spirits as they read（）letters from their families.
A. affectionate
B. sentimental
C. sensitive
D. intimate

[单项选择] In 1983, when oil process were till high in my area, I installed a ground-source heat pump in my brand-new, and insulated 1,600-square-foot house. It cost several thousand dollars more than comparable systems that use oil, gas, or wood, but I figured I’’d recover my higher initial expense in a few years through lower energy bills. True, my heat pump runs on electricity-an expensive commodity where I live. But most of its energy comes from the earth: a propylene-glycol solution circulates through 1,200 feet of two-inch-diameter plastic pipe buried three feet deep in a field next to my house. As it travels, the solution absorbs heat from the surrounding soil, even when soil temperature drops below freezing. My ground-source heat pump also offers important benefits that have nothing to do with economics. *Minimal fire hazard-no chimney, firebox, or heating elements-only pumps, fans, and a compressor. *Cleanliness-no combustion products, thus no chance of my heating syst
A. soil in a nearby field
B. sun panels at ground level
C. a pipe buried next to the walls
D. a tank of propylene glycol

[填空题]The apple’s were high. The boys couldn’t reach (到达，伸出) them. The apples were ______ high for the boys ______.

[单项选择]The police were searching all the places for the ______ prisoner.
A. escaping
B. escaped
C. escape
D. being escaped

[单项选择]The interviewers were impressed by the high {{U}}calibre{{/U}} of the applicants for the job. The underlined part means ________.
A. criterion
B. quality
C. qualification
D. level

[单项选择]What shall we use for power when all the oil in the world has been （　）.
A. given out
B. put out
C. held up
D. used up

[单项选择]We were all there when the accident occurred.
A. happened
B. broke
C. spread
D. appeared

[填空题]Some of the oil fields were bombed by Iraq in case that the US obtained them in the war.

[填空题]

If good intentions and good ideas were all it took to save the deteriorating atmosphere, the planet’s fragile layer of air would be as good as fixed. The two great dangers threatening the blanket of gases that nurtures and protects life on earth-global warming and the thinning ozone layer--have been identified. Better yet, scientists and policymakers have come up with effective though expensive countermeasures.
(2)41. __________.
(3) CFCs-first fingered as dangerous in the 1970s by Sherwood Rowland and Mario Molina, two of this year’s Nobel-prizewinning chemists--have been widely used for refrigeration and other purposes.
(4) If uncontrolled, the CFC assault on the ozone layer could increase the amount of hazardous solar ultraviolet light that reaches the earth’s surface, which would, among other things, damage crops and bring disasters to environment.
(5) Thanks to a sense of urgency triggered by the 1985 detection of what has tu