内容正文:
Unit 6 素能测评
一、 语法选择(共15小题;每小题1分,满分15分)
阅读下面短文,按照句子结构的语法性和上下文连贯的要求,从每小题所给的A、B、C和D项中选出最佳选项。
Most of us have three meals a day. We take food for granted(理所当然地). And we don’t think about it. 1 experts argue that a food crisis(危机) is coming. This crisis is going to make us 2 the way we think about food.
Food is in great need 3 the growing of world population. By 1960, the population was about three billion. It doubled to about six billion by 1999. By 2050, this planet will need 4 at least nine billion people. As a result, the food prices get higher and higher.
So, what 5 a hungry, crowded world do? One suggestion is to eat 6 meat. Meat uses more natural resources than grains(谷物). It requires 7 to produce one pound of meat than to produce one pound of grains. It also requires 8 5 and 10 times more water than vegetables. So, eating less meat will provide more land for 9 , and it will save water.
To eat less meat, people will need to change their eating habits. That will not be 10 . Americans, for example, have 11 loved meat. In general, they eat twice as much meat as people in other countries. At the same time, in developing countries like China and Brazil, sales of meat have doubled in the last 20 years. 12 will double again by 2050. Growing need of meat 13 to put pressure on natural resources.
World population is increasing, resources are becoming fewer, and food prices are rising. Therefore, we need to rethink about 14 we eat every day. For meat lovers, we don’t need to give up meat completely. But we need to eat 15 grains and less meat!
( B )1. A. And B. But C. Or D. Until
( A )2. A. change B. changed C. to change D. changing
( C )3. A. instead of B. ahead of C. because of D. as for
( C )4. A. feed B. fed C. to feed D. feeding
( D )5. A. may B. will C. must D. can
B
A
C
C
D
( A )6. A. less B. more C. much D. little
( B )7. A. much land B. more land C. most land D. land
( D )8. A. of B. for C. among D. bet