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
34
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.
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
began
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3071346.html
相关试题推荐
Onceyouarehiredasacompanyemployee,youwillprobablyhavebusinesscards.
Onceyouarehiredasacompanyemployee,youwillprobablyhavebusinesscards.
Haveyoueverwonderedwhattheskyreallyis?Longagomanythoughtitcircl
Althoughreceivingfinancialsupportfromfamily,community,orthegovernmentis
HowmanyU.S.dollarswillbeinvestedintheproject?About______million.[br
HowmanyU.S.dollarswillbeinvestedintheproject?About______million.[br
HowmanyU.S.dollarswillbeinvestedintheproject?About______million.[br
HowmanyU.S.dollarswillbeinvestedintheproject?About______million.[br
Thoughhewonseveralawardsinthecompetition,hedidn’tbecomeproudoverhis
Theword"institution"(line1)mostprobablymeans______.[br]Inthetwenty-f
随机试题
TheCaseAgainstRetirementAh,retirement!Beforet
【S1】[br]【S8】N根据句子结构这里应为名词。根据上下文anotherthreattothehealthofwildlandsist
Cellscannotremainaliveoutsidecertainlimitsoftemperatureandmuchna
()惊蛰()冬至[br]()清明()谷雨E、D
A.前额及颞部头痛 B.头痛局限在内眦或鼻根部 C.前额部呈周期性、定时性头
视物旋转动荡,如在舟车之上,称为A、目昏 B、目痒 C、目眩 D、雀目
各种运输方式内外部的各个方面的构成和联系,就是( )。 A.运输系统
团体保险与个人保险相比,团体保险的好处体现在()等方面。 A.保险收益高
缺口分析的局限性包括()。A.未考虑当利率水平变化时,因各种金融产品基准利率的
为实现内部控制的目标,企业应当建立起包括()要素的内部控制体系。A.控制环境
最新回复
(
0
)