鱼类终生生活在_____,身体的表面大多覆盖着______,用________呼吸,用________游泳。
水中 鳞片 鳃 鳍
(安徽省皖南八校2009届高三第二次联考, 21)—Let’s go and have a good drink tonight
一 Have you got the first prize in the competition?
A.What for?
B.Thanks a lot.
C.Yes I’d like to
D.Why not?
三角带的截面夹角是()。
A.34°
B.36°
C.38°
D.40°