首页
登录
职称英语
Life on land probably 【11】 about 430 million years ago,though it has existed in
Life on land probably 【11】 about 430 million years ago,though it has existed in
游客
2023-10-04
63
管理
问题
Life on land probably 【11】 about 430 million years ago,though it has existed in the water for perhaps 【12】 3,000 million years.When we think of the first life on land,we probably think of some 【13】 animals coming out of the oceans,but 【14】 ,no animals could have been living if plants had not been on land first.Plants had to be on land before animals arrived.They 【15】 the first land animals with food necessary to live.since they the plants are the only form of life that is able to get and store energy. [br]
Life on land probably began about 430 million years ago,though it has existed in the water for perhaps as long as 3000 million years.When we think of the first life on land,we probably think of some strange animals coming out of the oceans,but in fact,no animals could have been living if plants had not been on land first.Plants had to be on land before animals arrived.They supplied the first land animals with food necessary to live,since they—the plants are the only form of life that is able to get and store energy.
选项
答案
as long as
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3071347.html
相关试题推荐
Onceyouarehiredasacompanyemployee,youwillprobablyhavebusinesscards.
Onceyouarehiredasacompanyemployee,youwillprobablyhavebusinesscards.
Onceyouarehiredasacompanyemployee,youwillprobablyhavebusinesscards.
Onceyouarehiredasacompanyemployee,youwillprobablyhavebusinesscards.
Haveyoueverwonderedwhattheskyreallyis?Longagomanythoughtitcircl
Thereceiverofthisletteris______.[br]ThoughIcannotstayathomefortoo
Althoughreceivingfinancialsupportfromfamily,community,orthegovernmentis
HowmanyU.S.dollarswillbeinvestedintheproject?About______million.[br
Thoughhewonseveralawardsinthecompetition,hedidn’tbecomeproudoverhis
Theword"institution"(line1)mostprobablymeans______.[br]Oneofthereas
随机试题
Abank’sbookkeepingsystemistryingtoprovethreethings—thatalltheday
TheperiodimmediatelyfollowingtheCivilWarwasatimeofgreathopefor
Internationalairlineshaverediscoveredthebusinesstravelers,themanor
A.A B.B C.C D.D
鉴别特征是"银皮"的药材是A.麝香 B.牛黄 C.僵蚕 D.鹿茸 E.鸡
A.东莨菪碱 B.安定 C.巴比妥钠 D.哌替啶 E.氟哌利多具有镇痛作
女,48岁,行结肠癌手术后3天,动脉血气报告,pH7.34,PaCO230mmH
面色黧黑,肌肤甲错的主病是()A.肾虚 B.水饮 C.寒证 D.血瘀
联合国教科文组织在《教育——财富蕴藏其中》中提出,面向21世纪教育的四大支柱是学
“学而时习之”的主张说明教学应遵循的原则是() A.启发性原则B.因材施教原
最新回复
(
0
)