正确形式填空，使句子意思完整。并在答题卡上将答案填写在对应题号的横线上。

小题1:The job is much  _______  than before.  (difficult)

小题2:He eats all kinds of food, so he is   ______  (health)

小题3:Mr Smith  _____  me to play chess when I was a child. (teach)

小题4:Tom and Mike are the _____ (win) of this game. (win)

小题5:Lisa _____ （not clean）her room very often.

小题6:The teacher said that the moon _      (go) round the earth.

小题7:Listen! The birds in the tree   ______ (sing).

小题8:How did you make the baby stop ______ (cry)?

小题9:It was necessary for him _     (talk) with his father.

小题10:______  aloud in the morning is good for the students. (read)

饮料用水中碱度和硬度过高有哪些危害？