细胞壁薄,液泡大,有储存养分功能的植物组织是( )
A.保护组织
B.分生组织
C.营养组织
D.输导组织
答案:C
联合火力打击按打击强度,一般分为()、()和()。
Under normal conditions a liferaft is released from itscradle by().
A.cutting the restraining strap
B.unscrewing the turnbuckle on the back of the cradle
C.lifting one end of the raft
D.pushing the plunger on the center of the hydrostatic release