从赤道到两极，生物群落有规律地更替，依次出现的群落类型为____。A．热带雨林、常绿
题型：单项选择题
问题：
从赤道到两极，生物群落有规律地更替，依次出现的群落类型为____。
A．热带雨林、常绿阔叶林、泰加林、落叶阔叶林、苔原
B．热带雨林、常绿阔叶林、落叶阔叶林、泰加林、苔原
C．苔原、泰加林、落叶阔叶林、常绿阔叶林、热带雨林
D．苔原、落叶阔叶林、泰加林、常绿阔叶林、热带雨林
题型：单项选择题
A: Mum, I have finished my homework .(1) ______.
B: Of course .Which is your favorite TV program ?
A: Sports .It is said there will be a wonderful football match on TV tonight .
B: (2) ______
A: A Chinese team will play against a Japanese team .
B: (3) ______
A: I’m not sure . Ball games are usually shown on Channel 8.
B: (4) ______
A:Well , it must be on Channel 6 then . Try that .
B: Here it is .(5) ______ Let’s watch it together .
A: That’s all right.