考研考试

【单选题】The population of the United States is only 6% the world’s population, butAmericans (1) one third of all the energy (2) in the worlD、This fact alone says thatAmericans need to use less energy.And because the price of energy had been rising very rapidly (3) the limited supplies of oil in particular,Americans are becoming aware to the need to (4) energy. InCalifornia we have aCaliforniaEnergyCommission which has set up in the past five years to (5) plan for our future energy rise. We have (6) laws inCalifornia to help us conserve energy. First of all, our houses inCalifornia have been very (7) of energy in the past. They were not (8) very carefully and so the heat would go out of the house very rapidly. Now we require that the homes have a (9) level of insulation, and so the homes built now are much more (10)
(11) , in transportation (12) a large percentage of oil energy is used, we need to develop more public transportation. InChina, of course, you have a very good public-transportation system.And it is a (n) (13) for the kind of thing we need to develop more in the United States.Automobiles are also becoming more (14) The smaller automobile with efficient engine can help to conserve a large amount of energy along with planning our (15) more carefully.
Many different studies have shown that we could (16) our energy consumption by (17) half or two thirds and still have the (18) quality of life.And many different types of technologies are currently being researched as to (19) they can be built to use 20 energy and still supply the same service.

A、adequate
B．sufficient
C．less
D．lacking

网考网参考答案：C
网考网解析：
形容词辨析题。本段的意思就是利用科技方法尽量节约地使用能源，同时又能达到原来的效果，这也是本文的主题之一。4个选项的意思分别是：adequate“足够的”；sufficient“充分的，足够的”；less“少的”；lacking“(数量)不足的，缺乏的”。正确答案是C。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>