Unit 13 We're trying to save the earth!Section A (3a 3b)一、根据句意及汉语提示填写单词。1 ． Smoking is _________( 有害的 ) to your health.2 ． We all think this method is very _______( 残酷的 ) ．3 ． The film _______( 工业 ) of the USA is famous around the world.4 ． We should set new ______( 法律 ) ， open more national parks ，plant more trees and stop pollution.5 ． __________ ( 科学的 ) farming is important.Now more and more farmers are interested in it.harmfulcruelindustrylawsScientific二、根据汉语意思完成句子。1 ．记住我们是食物链的一部分。Remember that we are a part of _____________ ．2 ．长颈鹿能够到树顶的叶子。A giraffe can reach the leaves ____________the trees.3 ．交通废气对环境有害。Traffic fumes ______________ the environment.4 ．我们从来没有听说过这个地方。We have never _________ this place.5 ．厨师把整条鱼切断。The cook _______ the whole fish.the food chainat the top ofare harmful toheard ofcut off三、单项选择。1.Though many children have got Mr.Guo's help ， ________ ，his family is not rich enough.A ． in danger B ． in factC ． in style D ． in general2 ． A little wine will not be ________ to your health.Just don't drink too much.(2014 ，无锡 )A ． helpful B ． helplessC ． harmful D ． harmless3 ． I don't know the writer ， but I have ________ him.A ． laughed at B ． waited forC ． heard of D ． agreed with4 ．— A number of students ________ in the dining hall.—Let me count.The number of the students ________ about 400.A ． are ； is B ． is ； areC ． are ； are D ． is ； is四、阅读理解。 Sharks frighten most of us ， but Daniel Weaver ， a shark scientist ， swims with them for a living ！ We asked him some questions about this unusual job.So Daniel ， what's it l...
