水下灌注混凝土时,水泥强度等级应不低于42.5级,其初凝时间不宜早于2.5h。 ( )
参考答案:对
---- The fish soup is delicious.I’d like some more.
---- Sorry.There is ________ left.
A.none
B.neither
C.no one
D.a little
羽状三出复叶