选择题:生态学的研究内容和范围非常广泛,所以没有特殊的研究对象。( ) 题目分类:习题答案 题目类型:选择题 号外号外:注册会员即送体验阅读点! 题目内容: 生态学的研究内容和范围非常广泛,所以没有特殊的研究对象。( )此题为判断题(对,错)。 参考答案:【答案仅供学习,请勿对照自行用药等】
It is___________to?stare?directly?at?the?sun It is___________to?stare?directly?at?the?sunA.harmfulB.harmlessC.comfortableD.safe 分类:习题答案 题型:选择题 查看答案
Moviegoers know that many special effects are created by computers, they often d Moviegoers know that many special effects are created by computers, they often don' tknow is that the 分类:习题答案 题型:选择题 查看答案
__ is known to the world, Mark Twain was a great American writer. __ is known to the world, Mark Twain was a great American writer.A.AsB.OnceC.ThatD.It 分类:习题答案 题型:选择题 查看答案
Most people tend to agree _________ one thing :taxes are too high Most people tend to agree _________ one thing :taxes are too highA.toB.onC.atD.with 分类:习题答案 题型:选择题 查看答案
_____ has made this invention is a remarkable person and worth remenbering _____ has made this invention is a remarkable person and worth remenberingA.whoeverB.whoC.no matter w 分类:习题答案 题型:选择题 查看答案