通常将投影方法分为中心投影法和平行投影法。
参考答案:对
I am good at playing football, but Jack _____ well in _____ basketball.[ ]
A. do, play
B. does, to play
C. does, play
D. does, playing
各种微生物具有一些共同点,下列选项中描述错误的是()
A.分布广,种类多
B.适应强,易变异
C.体积小,表面积小
D.生长速,繁殖旺