人体的内环境是指()
A:组织液
B:血液
C:细胞内液
D:细胞外液
看图连线
____When do you have class? At 10:00 a.m. A、
____When do you play sports? At 4:00 p.m. B、
____When do you eat dinner? At 5 p.m. C、
____When do you eat breakfast? At 7:00 a.m. D、
____When do you do morning exercises? At 6:00 a.m. E、
读“海陆风形成示意图”,根据所学知识分析回答下题.