There’s a special horse race．The horse which walks most slowly will be the winner(胜利者)．Two horses are neck to neck．It seems that they hardly go．Black clouds are coming and it’s going to rain．But nobody knows which will win．How can you help them finish the game as soon as possible?

__________________

I’m twelve years old now．And my friend’s brother John is twice(两倍)as old as I am．

Will John be still twice as old as I in twelve years? How old will he be then if he is not twice as old as I?

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(创新题)Tom has nine coins(硬币)－ three siliver coins(S), three gold coins(G)and three copper coins(C)．

He wants to rearrange(重新组合)them so that every

SILVER coin touches(接触)a GOLD one, every

GOLD coin touches a COPPER one, and every

COPPER one touches a SILVER one．

Show him how to do it．

Grandpa：You give me three empty bottles and I’ll give you a bottle of orange Juice．

Dad：I give you twenty-one bottles of orange juice, Tom．

Tom：I drink all these bottles of orange juice, and give the bottles to Grandpa．

Then grandpa gives me some bottles of orange juice．How many bottles of orange ju

ice do I drink in all(总共)?

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What number should replace(取代)the question mark?

Breakfast is the most important meal of a day．The picture shows how often 200 students in a school eat breakfast．From the information, we know the number of the students who usually eat breakfast is ________．

20

24

40

Safety comes first．We should ________ to keep safe on the road．

①obey the traffic(交通)rules

②be careful of passing cars and buses

③run fast after others

④not read the messages on our mobile phones

⑤play basketball with our friends

①②④

①③⑤

②④⑤