首页
登录
职称英语
Although the fact that today viruses are known to 【S1】_____
Although the fact that today viruses are known to 【S1】_____
游客
2023-09-12
52
管理
问题
Although the fact that today viruses are known to 【S1】______
cause cancer in animals and in certain plants, that exists 【S2】______
a great reluctance to accept viruses as being of importance
in human cancer.
Basic biological phenomena generally do not
differ strikingly as one goes from one species through 【S3】______
another. It should be recognize that caner is a biological 【S4】______
problem and not a problem that is unique for man.
Cancer originates when a normal cell suddenly becomes
a cancer cell which multiplys widely and without 【S5】______
apparent restraint. Cancer may originate in many different
kind of cell, but the cancer cell usually continues 【S6】______
to carry certain traits of the cell of origin. The
transformation of a normal cell into a cancer cell may have
less than one kind of cause, but there is good reason to 【S7】______
consider the relationships that exist between viruses
and cancer.
Since there is no evidence which human cancer, as 【S8】______
generally experience, is infectious, many persons
believe that because viruses are infectious agents they
cannot possibly be of importance in human cancer.
However, viruses can mutate and examples are known
in which a virus that never kills its host can mutate to
form a new strain of virus that always kills its host. It
does not seem unreasonable assume that an innocuous 【S9】______
latent virus might mutate to form a strain that causes
cancer. Certainly the experiment evidence now available 【S10】______
is consistent with the idea that viruses as we know
them today, could be the causative agents of most, if not
all cancer, including cancer in man. [br] 【S9】
选项
答案
∧ assume→to
解析
动词不定式小品词to缺失。it在句中是形式主语,真正的主语是后面的动词不定式 to assume that an innocuous latent virus might mutate to form a strain that causes cancer,因此,assume前面加上“to”。
转载请注明原文地址:https://tihaiku.com/zcyy/3008090.html
相关试题推荐
Althoughtheclimbupthecorporateladderseemstobegoingslowlyforwoma
Althoughtheclimbupthecorporateladderseemstobegoingslowlyforwoma
Althoughtheclimbupthecorporateladderseemstobegoingslowlyforwoma
Althoughtheclimbupthecorporateladderseemstobegoingslowlyforwoma
Althoughtheclimbupthecorporateladderseemstobegoingslowlyforwoma
Althoughtheyplanttreesinthisareaeveryyear,______________________(山顶仍然是光
DrugUseandAddictionDrugUseandAbuseAlthough
DrugUseandAddictionDrugUseandAbuseAlthough
DrugUseandAddictionDrugUseandAbuseAlthough
DrugUseandAddictionDrugUseandAbuseAlthough
随机试题
Giventheadvantageofelectronicmoney,youmightthinkthatweshouldmove
Themini-skirtis______A、infashionsB、inafashionC、infashionD、inthefashi
WhyE-ReadersAreaWorthyBusinessInvestmentASiliconVa
Changesinthewaypeoplelivebringaboutchangesinthejobsthattheydo.
阅读材料,回答问题。 材料 “帝纣闻武王来,亦发兵七十万人距武王。武王使师尚
债权人会议通过和解协议草案,出席会议的有代表的债权额,必须占无财产担保债权总额的
下列各医疗区的细菌学指标是( ) 空气(cfu/㎡) 物体表面(c
普惠金融的发展目标不包括( )。A.提高金融覆盖率 B.完善金融体系 C.
肺主气的功能取决于( )。A.司呼吸 B.宗气的生成 C.全身气机的调节
基本生化检查:血清氯(Cl)
最新回复
(
0
)