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
考研
Scientists have discovered a powerful antibiotic in the blood stream of giant pandas that can destroy bacteria The Chinese resea
Scientists have discovered a powerful antibiotic in the blood stream of giant pandas that can destroy bacteria The Chinese resea
admin
2015-11-27
59
问题
Scientists have discovered a powerful antibiotic in the blood stream of giant pandas that can destroy bacteria The Chinese researchers discovered the【C1】______known as cathelicidin-AM, after【C2】______the panda’s DNA. It’s thought that the antibiotic is【C3】______by the bear’s immune system in order to protect them from infections.
The scientists found that cathelicidin-AM killed bacteria in less than an hour【C4】______other antibiotics took more than six hours. They now want to develop the substance as a new drug to fight superbugs.
The【C5】______bears, of which there are just 1,600 in the wild, have become a symbol for conservation—and now there could be a new reason to try and protect them.【C6】______, scientists will not need to rely on the animal’s unreliable breeding ability to【C7】______the new antibiotic, as they have been able to make it artificially in the lab by decoding the genes to produce a small molecule known as a peptide.
Dr Xiuwen Yan, who led the research at the Life Sciences College of Nanjing Agricultural University in China told the Daily Telegraph: "It showed potential antimicrobial activities against wide【C8】______of microorganisms including bacteria, both standard and drug-resistant【C9】______. Under the pressure of increasing microorganisms【C10】______drug resistance against conventional antibiotics, there is【C11】______need to develop new type of antimicrobial agents. Gene-encoded antibiotics play an important role in immune system against【C12】______microorganisms. They cause much less drug resistance than conventional antibiotics."
Panda populations have decreased【C13】______the destruction of their natural habitat and bamboo food【C14】______in China and south east Asia.【C15】______to increase their numbers, including efforts at Edinburgh Zoo with resident pandas Tian Tian and Yang Guang, have been【C16】______for the extreme difficulty in getting them to breed in captivity.【C17】______in the wild, pandas【C18】______to breed easily, as the females only come into season once a year.
It has been【C19】______that the millions of pounds spent in using expensive artificial breeding techniques could be put to better use on other conservation projects. And this new discovery is likely to【C20】______the case to save the endangered creatures.
【C18】
选项
A、tend
B、seem
C、like
D、struggle
答案
D
解析
前面提到熊猫的繁殖不容易,而空格后却说容易繁殖(to breed easily),可见应填的词需否定后面的内容。D项struggle“挣扎”能够体现出繁殖的不易。
转载请注明原文地址:https://kaotiyun.com/show/EYzZ777K
0
考研英语一
相关试题推荐
In2004GoogleunveiledGmail:apowerfule-mailaccountwithagigabyteofstorage.Thatwas500timeswhatHotmailwasofferin
In2004GoogleunveiledGmail:apowerfule-mailaccountwithagigabyteofstorage.Thatwas500timeswhatHotmailwasofferin
Thesummer’smosttalkedaboutworkingpaperineconomicsisbyRobertGordon,anditissimplytitled"IsUSEconomicGrowthOv
Thesummer’smosttalkedaboutworkingpaperineconomicsisbyRobertGordon,anditissimplytitled"IsUSEconomicGrowthOv
Economicsascurrentlypresentedintextbooksandtaughtintheclassroomdoesnothavemuchtodowithbusinessmanagement,and
Directions:ThefollowingparagraphsaregiveninawrongorderforQuestions41-45,youarerequiredtoreorganizetheseparagr
Directions:ThefollowingparagraphsaregiveninawrongorderforQuestions41-45,youarerequiredtoreorganizetheseparagr
[A]Butscientistsarestillworkingtoimproveonthat,andamongthemissocialpsychologistAldertVrijoftheUniversityofP
随机试题
求下列极限
二维连续型随机变量(X,Y)的概率密度为求:E(XY).
根据《风景名胜区条例》规定,下列关于风景名胜区保护的表述中,不符合规定的是()
关于伦敦协会货物险条款(1CC)的规定,以下说法正确的是( )。
屋面防水层用细石混凝土作保护层时,细石混凝土应留设分格缝,其纵横间距一般最大为()m。
金融凭证诈骗罪的对象不包括()。
某公司去年对组织机构做出了大规模的调整,但是一直未改变工作说明书。目前工作重叠,职责不清,管理分配不平衡等问题日益突出,工作缺乏效率,员工工作积极性降低,企业效益也降至最低点。如果由你来负责这项工作,你首先应该()。
太平天国在《天朝田亩制度》中提出的社会改革方案是()
下列关于逻辑运算符两侧运算对象的叙述中正确的是()。
RecentfeministscholarshipconcerningtheUnitedStatesinthe1920schallengesearlierinterpretationsthatassessedthe1920s
最新回复
(
0
)