图2反映了某个化学反应各物质质量与时间的关系。下列描述正确的是(    )

用所给单词的适当形式填空
(1)I love places where the people are really ____  （friend）.
(2) I want to go there, because I like____ （excite）vacations.
(3) Could you please ____ （give）me some____ （suggest）for vacation spots?
(4) Would you like ____  （drink）some orange juice?
(5) You look tired, why not ____  （have）a short rest?
(6) His brother is considering ____  （study）abroad.
(7) Do you plan on____  （stay）overnight here?
(8) Most private cars ____ （not allow）in downtown Singapore.

例：问题：运动员举起杠铃静止后杠铃受到哪几个力的作用？答案：杠铃受重力和手的托力作用．

问题1____     答案1____

问题2____    答案2____

问题3____     答案3____．