题目

(09达州)氢气不仅可以在空气中燃烧，还可以在氯气中燃烧，反应方程式为H2+Cl22HCl，若用“○”表示氯原子，“●”表示氢原子，则上述反应可表示为 A、          B、 C、           D、   答案：C解析:略 用much too，too much，too many填空 (1) The room is _______ dirty and we'd better clean it at once. (2) I have________ books to read and ________ homework to do. (3) He likes to eat sugar，but _______ in my opinion. (4) There is ________ snow this year，so it's _______ cold. (5) Watching TV ______ is bad for our eyes. (6) If you want to keep thin，don't eat_______. (7) I mean you eat _________ fast，and you don't take enough exercise，too. (8) There are still _________ poor people in the world. (9) He is __________ kind to me. (10) I had _________ rice last night.