英语完形填空later,serious,be,before ,stay There are many people in

英语完形填空
later,serious,be,before ,stay
There are many people in the world now.There will ________ a lot more
people next century.The earth will be very crowded and there will be a little
room for each person.Maybe there will be standing room only on the earth 600
years _________.That will be a very ________ problem.
So man is thinking of a way to solve the problem.
The moon is the satellite of the earth.Maybe man will go to_________ on
the moon one day.But there is no air,no plants,no life there .So scientists
are doing experiments in many ways.They have to solve many problems _________
man can live on the moon,I’m sure our dream will come true in the next century.
kill travel cross look know
People are often killed while _________the road.Most of these are old people
and children.Old people are often killed because they usually cannot see or
hear very well.Children __________because they are not careful.They have to
look and listen before they cross the road.
A car,truck or bus cannot stop very quickly.If the vehicle(汽车) is going
very fast,it_______ many metres before it stops.People don’t always understand
this.They think a car can stop within a few metres.The faster a car is
traveling,the longer it takes to stop.It is very difficult for a person
_________how far a car is traveling.
The only safe way to cross the road is to ________ both ways,right and left.
Then if the road is clear,it is safe to cross.The right way to cross the road
is to walk quickly.It is not safe to run.If people run across the road,they may fall down.

按照你提供的题顺序应该是：be,later,serious,stay,before,
crossing,are killed,will travel,to know,look 仅供参考!祝新年快乐!