没有抽象的真理，真理总是具体的。这一命题的根据在于()。
A、真理是感性的存在，不是理性的抽象D
暂无解析
Thefactthatsomanypeoplestillsmokeinpublicplace_______thatwemayneedantionwidecampaigntoraiseawarenessoftheriksofsmoking.
Solidgeometryhasenabledastronomerstocalculatethepositionsoftheheavenlybodiesrelativetooneanother.
Whatapity!Youmissedthesightseeing,orwe_________agoodtimetogether.
由被调查者自己填写答案的问卷是()。
Eyespots,themostrudimentaryeyes,arefoundinprotozoan原生动物flagellates鞭毛虫,flatworms扁形虫,andsegmentedworms片段蠕虫.
