气排球比赛混合组中一般有( )名男队员和两名女队员组成。
Based on what you have read about golabal warming and greehouse effect. The following are the possible consequences:________ are melting, plants and animals are forces to leave their ________. And the number of severe _____ and ________ are incresing._______radiation ________ through the clear ______. Most radiation is_______ by the Earth's _________and ________ it.
The text first introduces the effects of the _________at the________, then the author explores the dominant ________ of the environmental crisis. Finally, the _________of the environmental _______is discussed.