单选题：Whatisthemaincauseofozonelossaccordingtothefindings?

  • 题目分类：英语四级
  • 题目类型：单选题
  • 号外号外：注册会员即送体验阅读点！
题目内容：

Whatisthemaincauseofozonelossaccordingtothefindings? A．Climatechange.
B．Carbondioxide.
C．Chlorinecompounds.
D．Airpollution.

参考答案：
答案解析：

Non-declarativememoriesrefertothethingsthatwecanrememberwith

Non-declarativememoriesrefertothethingsthatwecanrememberwithoutreallyknowingthe

分类：英语四级  题型：单选题
查看答案

People'sactivitylevelsbarelychangedinthepast30yearswhilethen

People'sactivitylevelsbarelychangedinthepast30yearswhilethenumberofobesepeopleh

分类：英语四级  题型：单选题
查看答案

Tobacco,alcoholandpoordiethavebeenrecognizedbytheUNasmainris

Tobacco,alcoholandpoordiethavebeenrecognizedbytheUNasmainriskfactors.

分类：英语四级  题型：单选题
查看答案

Sleeptherapistspreferothermethodstosleepingpillsbecausetheyd

Sleeptherapistspreferothermethodstosleepingpillsbecausetheydonotwanttheirpatien

分类：英语四级  题型：单选题
查看答案

Thereasonwhylotsofworking-classimmigrantsaremovingawayfromCh

Thereasonwhylotsofworking-classimmigrantsaremovingawayfromChinatownsispartlybec

分类：英语四级  题型：单选题
查看答案