I'd like __________ and __________.
A:two tomatos; three kilos of meat
B:two tomatoes; three kiloes of meat
C:two tomatoes; three kilos of meat
D:two tomatos; three kiloes of meat
计算:
1摩尔某烃能与2摩尔HCl完全加成,其产物最多能被8摩尔Cl2完全取代,则原烃不可能为
动点P到直线x+4=0的距离比它到点M(2,0)的距离大2,则点P的轨迹方程是____.