下列现象能体现我国社会主义初级阶段主要矛盾的是 ( )
A:在许多医院,老百姓仅排队挂号就要很长时间,体现了看病难
B:许多上班族抱怨上班坐公交车太拥挤,乘车真难
C:越南,菲律宾等东南亚国家强占我国南海诸岛,侵犯我国领土
D:“台独”“藏独”等敌对势力想分裂祖国
读某河流干流和流域范围示意图,回答下面小题。
血液通过肺循环后,血液成分的变化( )
Mr Green is an Englishman. He teaches English well His English classes are very interesting. He likes us and we like him, too. Mr Green has two children----Mike and Nancy. Mike is eight and his sister Nancy is five. Mike goes to school but Nancy doesn’t. Mr Green likes to wear a T-shirt and a pair of jeans. Football is his favorite sport. After school we often have a basketball match. Sometimes Mr Green watches and joins us. He plays basketball just for us.