下列()船舶事故中,全损率最高。
A、火灾
B、碰撞
C、搁浅
参考答案:A
-When did you get your first pair of skates?
-_______.
A.For 6 years
B.Since I was 6 years old.
C.When I was 6 years old.
D.Since 6 years ago.
某房间外墙中心线长3.3m,宽5.1m,墙体为365墙,其天棚抹灰的工程量为()
A.16.83m2
B.13.90m2
C.19.98m2