题型：完形填空 题类：真题 难易度：普通
Most of us have three meals a day .We take food for granted(想当然)。And we don't think about it. 1 experts argue a food crisis(危机)is coming.This crisis is going to make us 2the way we think about food.
Food is in great need 3 a growing of world population.By 1960,the population was three billion.It doubled to six billion by 1999.By 2050,this planet will need to 4 at least nine billion people.As a result,the food prices get higher and higher.
So,what can a 5 ,crowed world do?One suggestion is to eat 6 meat.Meat uses more natural resources(资源)than grains(谷物) .It requires more 7 to produce one pound of meat than to produce one pound of grain. It also requires between 5 and 10 times more 8 than vegetables. So ,eating less meat will 9 more land for farming,and it will save water.
To eats less meat,people will need to change their eating habits. That will not be 10 .Americans, for example,have 11loved 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 will13 to put pressure on natural resources.
World population is increasing,resources are becoming fewer,and food prices are rising.Therefore, we need to rethink 14 we eat every day. For meat lovers, we don't need to give up meat 15 .But we need to eat more grains and less meat.
House fires cause many deaths each year and a large number of these fires are unfortunately set by children.{#blank#}1{#/blank#}Kids must understand that they'd better not play with fire. You should keep matches and lighters out of their reach.
{#blank#}2{#/blank#} The main job of such an alarm is to protect you while you're asleep. You should have a smoke alarm outside each bedroom and on each floor of your home. You ought to have two plans for getting out of your house if there is a fire and practise these plans in the dark with your family.
A smoke alarm warns you of the danger. {#blank#}3{#/blank#}Take action immediately. When you come to a closed door, check it with the back of your hand. If it feels hot, there may be smoke or fire behind the door, so take care. Once you are out of your house, call the fire department from a neighbor's house. If a family member or a pet is caught inside, you shouldn't go back in. Firemen know how to perform rescues safely.
{#blank#}4{#/blank#} Change the batteries at least once a year. You should use the test button each month to see if the alarm and batteries are still working. A smoke alarm lasts about ten years. You ought to change it even if it seems to be working.
|
A. Most of these deaths can be avoided B. But when you hear it, you don t have much time C. A smoke alarm is only good if it's working properly D. So, it's important to teach them that fire is a tool, not a toy E. A smoke alarm greatly reduces your chances of being hurt in a fire |
试题篮
