首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Why, you may wonder, should spiders be our friends? Because they protect so many insects, and insects include 【M1】 _____
Why, you may wonder, should spiders be our friends? Because they protect so many insects, and insects include 【M1】 _____
admin
2014-07-25
70
问题
Why, you may wonder, should spiders be our friends?
Because they protect so many insects, and insects include 【M1】 _____.
some of the greatest enemies of the human race. Insects
would make impossible for us to live in the world; they 【M2】 _____.
would ruin all our crops and kill our flocks and herds,
as it were not for the protection we get from insect 【M3】 _____.
- eating animals. We owe a lot for the birds and beasts 【M4】 _____.
who eat insects but all of them put together kill only
a fraction of the amount destroyed by spiders. Moreover, 【M5】 _____.
unlike some of the insect - eaters, spiders never make 【M6】 _____.
the least harm to us or our belongings.
Spiders are not insects, as many people think, and 【M7】 _____.
nor even nearly related to them. One can tell the difference
almost at a glance, for a spider always has eight
legs but an insect never more than six.
How many spiders are joined in this work on our 【M8】 _____.
behalf? One authority on spiders made a census
of the spiders in a grass field in the south of
England, and he estimated that there were more
than 2,250,000 in one acre; that is anything 【M9】 _____.
like 6,000,000 spiders of different kinds on
a football pitch. Spiders are busy least
half the year in killing insects. It has been
estimated that the weight of all the insects
destroyed by spiders in Britain in one year would
be greater than those of all the human beings 【M10】 _____.
in the country.
【M1】
选项
答案
protect:destroy
解析
根据上下文,蜘蛛是为人类消灭有害昆虫,而不是保护。
转载请注明原文地址:https://kaotiyun.com/show/7epO777K
0
专业英语八级
相关试题推荐
AgricultureinBritainI.Britishagricultureanditssupportingareas:accountforaround(1)______ofGNP.II.Smallpercentage
MigrationandBusinessI.MigrationMap—sharplinesdivideuptheworldRealworld-—no(1)______betweenlandsII.Twochangesof
MigrationandBusinessI.MigrationMap—sharplinesdivideuptheworldRealworld-—no(1)______betweenlandsII.Twochangesof
Chemistryplaysanimportantpartinourlife.The【1】______ofaclock,【1】______theclotheswewear,andourleathershoesar
敦煌坐落在甘肃省西北的沙漠走廊地带,其西靠近新疆,其东是祁连山脉。这座有两千年历史的古城,曾经是联结中国和中亚的丝绸之路上一个重要的商队驻足地。如今,其吸引来客的主要原因在于敦煌是世界上已知的佛教艺术的一个最珍贵的宝藏的所在地——莫高窟。据一幅唐石刻所载,
A、Forpersonalpleasureandaqualification.B、Fortheirinterestinthecourse.C、Inordertomakenewfriends.D、Inordertos
Sapir-Whorf’shypothesismeditateontherelationshipbetween______.
ThenationalanthemofAustraliaisnowthetuneof______,butonregalandvice-regaloccasionsGodSavetheQueenmustbepla
1InproposedchangestoTitleIX,thefederallawprohibitingsexdiscriminationineducation,theBushadministrationwant
随机试题
全自动生化分析仪抗交叉污染的措施不包括
蛤蚧的主产地是
翼静脉丛与颅内交通的通道是
盾构机的选择除满足隧道断面形状与外形尺寸外,还应包括()等。
上市公司有下列情形之一的,中国证监会不予核准其发行申请()
个人贷款是指向符合条件的()发放的用于个人消费、生产经营等用途的本外币贷款。
根据我国《民用航空法》规定,国内航空运输发生重大航空事故时,一般情况下按照()进行赔偿。
“警察命令”是公安机关依法向负有特定义务的人发出作为、不作为和约束的指令。()
教育心理学的发展时期是()。
用高射炮射击飞机,如果每门高射炮击中飞机的概率为0.6,试问:两门高射炮同时射击,飞机被击中的概率是多少?
最新回复
(
0
)