甲克虫汽车的造型属于（）形。
A.流线形
B.船形
C.鱼形
D.楔形
参考答案：A
计算：（x3）2+（2x2）2-6x•x5．
—______ is the hamburger?
—It’s two dollars. [ ]
A. How old
B. How much
C. How many
