用所给动词的正确形式完成短文，并将正确答案依次填在短文后相应的横线上。
Mike was very excited today. His father and his brother, Joe, would take part in Safety Day at his school.
They had a very important lesson 1 (share).
When the headmaster told the students that Joe and his father 2 ( give ) them a talk about bike
safety, some of them 3 ( laugh ), because they rode a bike every day. There was nothing to know
about bikes. When they saw Joe's father 4 ( push ) Joe in a wheelchair, however, they changed their
minds.
Joe told his story. The car hit him very close to home. In fact, at that time he 5 ( come ) out of
his way on a very quiet street, but he didn't stop 6 ( look ). He didn't see the car drive along the
block (街区). He 7 ( hit ) right then and there. He couldn't stand any more. He 8 ( be ) in a
wheelchair for two years. Some students asked some questions about his feelings in a wheelchair. He
answered them honestly.
They also talked about the fun of 9 ( ride ) a bike. It is healthy. It is not necessary to stop riding,
but the most important thing is to be careful and 10 ( obey ) some safety rules.
4NO(g)＋6H2O(g)，在四种不同条件下分别测得反应速率如下：