题型:单选题 题类:常考题 难易度:容易
四川省德阳市第五中学2018届九年级上学期英语期中考试试卷(含听力音频)
A.first B. them C. greener D.harm E.countries F.harmful |
Forests are the lungs (肺) of the earth. Without {#blank#}1{#/blank#} , it cannot breathe. In many {#blank#}2{#/blank#} , such as New Zealand, Canada, and Brazil, forests were cut down to build houses. Cutting down trees is {#blank#}3{#/blank#}to human beings, animals and plants. Many young volunteers around the world are working in their holidays to plant new trees. These young men and women face many difficulties when they plant new trees. The {#blank#}4{#/blank#} problem is the weather. It may be very hot and dry or may be very cold and wet. Though it is difficult, they never give up. They believe that the world will become much {#blank#}5{#/blank#} in 50 years with their efforts.
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