A:三星堆青铜立人像
B:司母戊鼎
C:虎耳铜鼎
D:四羊方尊
下列关于甲烷(CH4)的说法,错误的是( )
—Someone helps you when you are in trouble. What should you say to them?
—I say “________” to them.
读某区域降水分布图,有关③地降水的叙述,正确的是( )