坡地草坪铺植后,为防止水分流失,应加大喷灌力度,常采用大水浇灌,以防缺水。( )
参考答案:错
酒精灯不用时,必须盖上灯帽,其理由是( )
A.防止酒精自燃
B.酒精易被空气氧化
C.酒精蒸发引起中毒
D.酒精蒸发后,灯芯上留有水分,使用时难以点燃
--Did you watch the football match last night?
--No, there was something wrong with my TV and it couldn’t ________ any programs.
A.send up
B.get up
C.pick up
D.take up