首页
登录
职称英语
People have discovered the principles of solar energy whenever fuel becomes scar
People have discovered the principles of solar energy whenever fuel becomes scar
游客
2025-02-25
44
管理
问题
People
have discovered the principles of solar energy whenever fuel becomes scarce and expensive but will forget
them every time a new source of cheap energy is developed.
选项
A、have discovered the principles of solar energy whenever fuel becomes scarce and expensive but will forget
B、have discovered the principles of solar energy whenever fuel has become scarce and expensive but they forget
C、discovered the principles of solar energy every time fuel becomes scarce and expensive, forgetting
D、discover the principles of solar energy every time fuel became scarce and expensive, but they forget
E、discover the principles of solar energy whenever fuel becomes scarce and expensive but forget
答案
E
解析
本句的内容是表述人类的一种普遍心理现象,主从句均使用一般现在时是最佳的,A、B、C、D中,或主句或从句中的时态都不恰当,C中还用for getting分词形式,句意不通。
转载请注明原文地址:https://tihaiku.com/zcyy/3972856.html
相关试题推荐
Ifitistruethatthestreetsandthesidewalksarewetwheneveritisraining,
Duringthelasthuntingseason,twiceasmanypeoplewerehitbycarswhilewalk
Thehumancravingforsweetswasoncebeneficial:itattractedpeopletofoodst
Peopleoftendonotmakedecisionsbyusingthebasiceconomicprincipleofrati
Researchershavediscoveredanewpoison,bromethalin,thatislethaltoallrat
Eachoftwoparticularinspectionsystemsthatarebasedondifferentprinciples
Along-termhealthstudythatfollowedagroupofpeoplewhowereage35in1950
Agroupofscientistsstudyingcalciummetabolisminlaboratoryratsdiscovered
Mouthcancerisadangerforpeoplewhorarelybrushtheirteeth.Inordertoac
Adiscountretailerofbasichouseholdnecessitiesemploysthousandsofpeoplea
随机试题
______hiseyeswhenshetoldhimthatitwastimeforthemtoleave.A、Nosooner
压缩机空气站宜靠近用气负荷中心,全厂集中设压缩空气站供气的方式,主要用于()
国家知识产权局对一件商标注册申请在部分指定商品(服务)上予以驳回的,申请人需要分
一患者右下456缺失,余留牙健康。可摘局部义齿的支点线可以设计成()A.斜
下列不属于商业银行内部控制保障体系构成要素的是( )。A.授权管理 B.信息
简易呼吸器测试
第四题、结合给定资料,以“平衡”为主标题,自拟副标题,联系实际,自选角度,写一篇
()是监督基金管理人的投资运作行为是否符合法律法规及基金合同的规定。 A.
一住店客人未付房钱即想离开旅馆去车站。旅馆服务员揪住他不让走,并打报警电话。客人
招标人对已发出的招标文件进行的必要修改,应当在投标截止时间()天前发出。A
最新回复
(
0
)