肺泡表面活性物质( )
A.能增加肺泡表面张力
B.使肺的顺应性降低
C.由肺泡Ⅰ型细胞所分泌
D.降低肺泡表面张力
参考答案:D
用所给词的适当形式填空。
1. Don't forget _______ (take) away what you____ (bring) there.
2. Yao Ming is a famous____(profession) basketball player.
3.—What are you going to be when you grow up?
—Well,I want to be a____(law).I think that's a good job.
4.In order to make a ______ (live), Mr. Black has to work too late.
5. Two people were killed and seven got____(injure)in that car accident.
根据1986年在加拿大渥太华召开的第一届国际健康促进大会发表的《渥太华 * * 》论述健康促进涉及的五个主要活动领域和任务。