影响肺换气的因素有_______、_______、_______、_______、_______、_______和_______。
呼吸膜的面积、呼吸膜的厚度、气体分压差、气体溶解度、温度、通气，血流比、气体分子量。
暂无解析
Rumorsareeverywhere,spreadingfear,damagingreputations,andturningcalmsituationsinto____ones.
Asthepressure____,theliquidrockisforcedupthroughchannelsintheresistantrocktotheearth’ssurface.
______theyaretwinsisters,theydon’tlooklikeeachother.
That’s________excitingnewsthatI’dliketotelleveryonetosharethejoy.
Writing:
Somepeopleclaimthat,intheageoftelevision,readingbooksisnotasimportantasitoncewasandthatpeoplecanlearnasmuchbywatchingtelevisionastheycanbyreadingbooks.Doyouagreeordisagreewiththisstatement?Writeanessayofabout400words.
Inthefirstpartofyouressayyoushouldstateclearlyyourmainargument,andinthesecondpartyoushouldsupportyourargumentwithappropriatedetails.Inthelastpartyoushouldbringwhatyouhavewrittentoanaturalconclusionormakeasummary.
Youshouldsupplyanappropriatetitleforyouressay.
Markswillbeawardedforcontent,organization,grammarandappropriateness.Failuretofollowtheaboveinstructionsmayresultinalossofmarks.
