今年全国普通高校毕业生规模达到699万人,创历史最高,高校毕业生就业形势依然严峻。面对这种严峻的就业形势,我们应该做到( )
①转变传统就业观念,选择一流的理想职业
②正确认识自我,给自己恰当定位
③不断学习,提高自身素质
④学有所成,勇敢地走自主创业之路
A:①③④
B:①②④
C:①②③
D:②③④
We live on the Earth.The Earth was ____ ,but now some parts are dirty.Let's work together to keep the Earth pretty and healthy because the Earth is only home for all the living things.We should ____.We should ____.We also need water and trees.So we shouldn't ____.We should stop ____.
如图,在方格纸中,△ABC经过变换得到△DEF,正确的变换是( )
如图是人的眼球结构示意图,请据图回答问题: