首页
登录
职称英语
Why, you may wonder, should spiders be our friends? Because they protect so
Why, you may wonder, should spiders be our friends? Because they protect so
游客
2023-12-14
44
管理
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. [br] 【M7】
选项
答案
and: to be deleted
解析
not…nor为固定用法,意为“既不…也不…”,此处加and乃多余之举。
转载请注明原文地址:https://tihaiku.com/zcyy/3271933.html
相关试题推荐
Asenvironmentalprotectionbecomesaglobalissue,anewterm—"GreenEFL"i
MostpeoplethinkoflionsasstrictlyAfricanbeasts,butonlybecausethey’
MostpeoplethinkoflionsasstrictlyAfricanbeasts,butonlybecausethey’
Theideathatgovernmentshouldregulateintellectualpropertythroughcopyr
Theideathatgovernmentshouldregulateintellectualpropertythroughcopyr
Notlongago,friendsofmineconfessedoverdinnerthattheyhadputspywar
Notlongago,friendsofmineconfessedoverdinnerthattheyhadputspywar
Notlongago,friendsofmineconfessedoverdinnerthattheyhadputspywar
Anindividualhumanexistenceshouldbelikeariver--smallatfirst,narrowly
Professionalethicsconcernsthemoralissuesthatarisebecauseofthespecia
随机试题
Ifyou’relikemostpeople,you’rewaytoosmartforadvertising.Youskipr
WhichofthefollowingstatementsisnottheeffectofTheGreatDepressionstar
A.AFP增加特高 B.血淀粉酶>500U/L C.内生肌酐清除率
以下不属于网络安全技术的是( )。A.防火墙技术 B.物理隔离技术,如隔离网
交通安全设施主要包括()等。A.交通标志、交通标线 B.防撞设施、隔离栅、防眩
正常人耳对声音频率的最敏感范围是A.20~20000Hz B.100~6
A. B. C. D. E.图中来源于薯蓣科的药材是()
石方爆破清方时,应考虑的因素是()。A.根据爆破块度和岩堆大小选择运输机械
下列哪项不是输卵管绝育术的禁忌证A:心力衰竭 B:严重的神经官能症 C:急性
根据《建设工程质量管理条例》,关于勘查设计单位质量责任和义务的说法,错误的是(
最新回复
(
0
)