A:南京国民政府拉壮丁的告示
B:南京国民政府北伐的告示
C:南京国民政府围剿红军的告示
D:中华民国成立的的告示
读图“北方地区略图”,完成下列问题
⑴Do you know the Great Wall?____
⑵How do you go there?____
⑶How long is Wusi Road?____
⑷How old is your mother?____
⑸How do you feel?____
A. Take a bus.
B. I feel tired.
C. She is 40 years old.
D. Yes,I do.
E. It's about 1000 metres.
生命的生存依赖于一定的环境,环境的变化会对生物产生各种影响.下列现象属于环境影响生物的是( )
丙(见下表)
分子式
C16H14O2
部分性质
能使Br2/CCl4褪色
能在稀H2SO4中水解