【加练半小时】2017年高考英语(全国)复习练习题：第17练 Word版含答案.docVIP

　　　　　　　　　　　　　　　　　　　 单词识记： forbid　 　　influence　　 　natural　 　noisy overlook permit punish decrease deliberate responsibility severe species threaten tolerate undertake victim uncertain unbelievable pollute beach 短语扫描： make a difference 有影响 on account of因为，由于 play an important part in在……中起重要作用 reduce pollution 减少污染 set up 建立 throw away 丢弃 to make matters worse 使事情更糟糕的是 use up/run out of 用光，用尽 wash away冲走，冲垮 in harmony with nature与自然和谐相处 [跟踪训练] 在空格处填入适当的词(1个单词)或所给词的正确形式 1．It’s a (noise) place with film clips showing constantly on one of the cafe’s giant screens. 2．You have (deliberate) acted against my wishes. 3．It is only (naturally) for youngsters to seek the excitement of driving a fast car. 4．Smoking (forbid) in this office. 5．His interest in this subject gradually (decrease)． 6．You are throwing your chance of becoming a success. 7．The great people are the ones who make difference to the world. 8．It isn’t them who use the world’s resources. 9．The meeting was postponed account of the chairman’s illness. 10．To be good care of every tree and bush，bird and mammal，be in harmony nature. Ⅰ.完形填空 Visitors to the dry，hot Sonoran Desert of the Southern Arizona and Northern Mexico are amazed at the many-armed giants.They are the saguaro cacti(树形仙人掌)，a giant which gives the landscape its 1 appearance.In the dry desert the saguaro cacti can live for more than 200 years，grow to a 2 of 20 feet，and have as many as 10 arms. More 3 ，the saguaro cacti still persist despite the unbearable desert climate.Those that have grown to old age have 4 droughts，freeze，flash floods，and bush fires as well as the 5 caused by groups of rats that eat their seedlings(幼苗)．Like all other desert 6 ，these leafless giants can store water for use during the desert’s long dry season by 7 water through their long roots. Naturally，the gre