【加练半小时】2017届高考英语一轮复习练习：第17练 自然与环保类（三）（含解析）

　　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 many­armed giants.They are the saguaro cacti(树形仙人掌)，a giant which gives the landscape its

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　　appearance.In the dry desert the saguaro cacti can live for more than 200 years，grow to a

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　　of 20 feet，and have as many as 10 arms.

　　More

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　　，the saguaro cacti still persist despite the unbearable desert climate.Those that have grown to old age have

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　　droughts，freeze，flash floods，and bush fires as well as the

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　　caused by groups of rats that eat their seedlings(幼苗)．Like all other desert

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　　，these leafless giants can store water for use during the desert’s long dry season by

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　　water through their long roots.

　　Naturally，the great saguaro cacti are a(n)

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　　part of the desert life.Actually the giants may be

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　　to many animals，including woodpeckers，owls，doves，bats and insects.In addition，after a saguaro

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　　the age of 10 or so，cold­resistant flowers

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　　at the top of the plants once a year.These flowers

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　　birds，bats and bees，which come for the honey and for the tasty flowers with their black seeds.

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　　the splendid saguaros are plentiful in the Southwest，they are unfortunately

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　　.These giant cacti have great value in landscape gardening，and the thieves can earn thousands of dollars by uprooting and

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　　them to nurseries(苗圃)．To protect these southwestern

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　　，agents for the Arizona Department of Agriculture go around and

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　　the desert.It’s a most important job though a hard one.But without the saguaro cacti，many desert animals would suffer a lack of

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　　and loss of nesting sites.The

　　Southwest，too，would

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　　something of unique importance，since these desert giants have become a

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　　of the dry region.

　　1．A.general

　　B．basic

　　C．unique

　　D．lovely

　　2．A.length

　　B．height

　　C．size

　　D．width

　　3．A.pleasingly

　　B．inspiringly

　　C．interestingly

　　D．amazingly

　　4．A.lived through

　　B．broken through

　　C．cut through

　　D．got through

　　5．A.crisis

　　B．damage

　　C．destruction

　　D．load

　　6．A.plants

　　B．lives

　　C．animals

　　D．creatures

　　7．A.pouring

　　B．squeezing

　　C．pumping

　　D．absorbing

　　8．A.independent

　　B．vital

　　C．original

　　D．mysterious

　　9．A.spot

　　B．field

　　C．home

　　D．camp

　　10．A.turns

　　B．takes

　　C．meets

　　D．gains

　　11．A.come up

　　B．come out

　　C．show off

　　D．show up

　　12．A.call

　　B．trap

　　C．fascinate

　　D．stick

　　13．A.As

　　B．But

　　C．Although

　　D．Yet

　　14．A.in danger

　　B．in demand

　　C．in need

　　D．in control

　　15．A.exchanging

　　B．trading

　　C．offering

　　D．selling

　　16．A.treasures

　　B．decorations

　　C．possessions

　　D．creations

　　17．A.look over

　　B．hand over

　　C．watch over

　　D．turn over

　　18．A.food

　　B．scenery

　　C．water

　　D．flavor

　　19．A.affect

　　B．abandon

　　C．increase

　　D．lose

　　20．A.signal

　　B．sign

　　C．mark

　　D．symbol

　　Ⅱ.短文改错

　　I was worried about the missing bag all the evening.I tried to remember exact what I had done from the time I left the store until at the time I got home.I remembered whether I had looked at the bag while I was having lunch.So I must have it when I left the store.I remembered show it to a friends on the bus.But I had the bag then.I came directly from the bus to my house，and I must have left it on the bus.I was in a hurry to get on and forgot to check the packages lying on the floor.This is the third time that I lost a bag.I should be much careful next time.

　　加练半小时　英语答案精析

　　第17练　自然与环保类(三)

　　高考高频单词与短语识记排查

　　1．noisy　2.deliberately　3.natural　4.is forbidden

　　5．decreases　6.away　7.a　8.up　9.on　10.with

　　知识运用与写作能力专练

　　Ⅰ.1.C　[根据下文可知，树形仙人掌有多达10个手形分支，所以形状“独特”，unique独特的，符合题意。故选C。general普通的；basic基本的；lovely可爱的。]

　　2．B　[根据前面的“giant”及后面的“20 feet”可知，此处表示的是“高度”，height高度，符合题意。故选B。length长度；size尺寸；width宽度。]

　　3．D　[根据上文可知，游客对树形仙人掌的形状惊讶不已，现在更令人惊讶的是它们的适应能力，amazingly令人惊讶地，符合语境。故选D。pleasingly令人愉快地；inspiringly鼓舞人心地；interestingly有趣地。]

　　4．A　[根据上下文可知，树形仙人掌“经历”了恶劣环境的考验，live through经历，符合语境。故选A。break through突破；cut through抄近路穿过，走近路；get through接通电话，通过考试。]

　　5．B　[除了要经受恶劣的气候外，树形仙人掌还要遭受老鼠的“破坏”，damage破坏，符合题意。故选B。crisis危机；destruction毁灭；load负担。]

　　6．A　[像沙漠里其他所有的“植物”一样，plant植物，符合题意。故选A。life生命；animal动物；creature生物。]

　　7．D　[树形仙人掌通过它们的长根茎吸收水。absorb吸收，符合语境。故选D。pour倒，灌；squeeze挤压；pump抽水。]

　　8．B　[根据下文可知，作为许多动物赖以生存的食物和家园，树形仙人掌是沙漠“极为重要的”一部分，vital极重要的，符合语境。故选B。independent独立的；original原始的；mysterious神秘的。]

　　9．C　[根据最后一段的倒数第二句“But without the saguaro cacti...loss of nesting sites”可知，树形仙人掌可能是许多动物的栖息地。home家园，符合语境。故选C。spot地点；field田地；camp营地。]

　　10．A　[树形仙人掌长到10岁左右。turn意为“达到(一定年龄或时间)”，其后可以直接跟数字。故选A。take带走；meet遇到；gain获得。]

　　11．B　[根据上下文可知，这里指树形仙人掌开花了，come out(花朵)开放，符合题意。故选B。come up走近，被提到；show off炫耀；show up露面，到达。]

　　12．C　[根据下文中的“which come for the honey”可知，树形仙人掌的花吸引了一些动物，fascinate使着迷，深深吸引，符合题意。故选C。call召集；trap困住；stick粘贴。]

　　13．C　[在西南，尽管这壮丽的树形仙人掌很多，但它们却面临着危险。逗号前后表示让步关系，although尽管，符合语境。故选C。as因为；but但是；yet然而。]

　　14．A　[根据上题解析可知，in danger处于危险之中，符合题意。故选A。in demand需求大，受欢迎；in need需要；in control掌管。]

　　15．D　[根据此空前的“These giant cacti have great value in landscape gardening，and the thieves can earn thousands of dollars...”可知，树形仙人掌被偷去卖钱，sell卖，符合语境。故选D。exchange交换；trade交易，以物易物；offer提供。]

　　16．A　[根据全文可知，树形仙人掌是应该受到保护的沙漠珍宝，treasure珍宝，符合语境。故选A。decoration装饰；possession财产；creation发明，创造。]

　　17．C　[为了保护这些珍宝，农业部派代理人保护沙漠，watch over监督，保护，符合语境。故选C。look over浏览；hand over移交；turn over翻转。]

　　18．A　[没有了树形仙人掌，就意味着动物们“食物”的短缺，food食物，符合题意。故选A。scenery风景；water水；flavor味道。]

　　19．D　[西南部也将失去这些极具重要性的东西，lose失去，符合题意。故选D。affect影响；abandon遗弃，放弃；increase增加。]

　　20．D　[因为这些沙漠巨型植物已经变成了这个干燥区域的标志。symbol标志，符合题意。故选D。signal信号；sign迹象；mark记号。]

　　Ⅱ.

　　I was worried about the missing bag all the evening.I tried to remember

　　what I had done from the time I left the store until at the time I got home.I remembered 或whether 　

　　I had looked at the bag while I was having lunch.So I must have

　　it when I left the store.I remembered

　　it to a 或

　　on the bus. I had the bag then.I came directly from the bus to my house，and I must have left it on the bus.I was in a hurry to get

　　and forgot to check the packages lying on the floor.This is the third time that I

　　lost a bag.I should be 或 careful next time.