A．put all his caps on his head B．put all his caps on the ground

C．put all his caps in the tree D．put one of his caps on his head

　　33．When the man woke up，he found ______.

A．each monkey had a cap on its head B．some monkeys were stealing his caps

C．the monkeys were laughing at him D．a monkey had stolen his cap and tried it on

　　34．The man cried and told the monkeys ______.

A．to return his caps B．not to get away with his caps

C．to buy his caps D．not to laugh at him

　　35．At last the monkeys threw the caps on the ground because ______.

A．they took pity on him B．the man had got angry

C．they didn't like the caps D．they liked to do the same as the man did

　　Traveling is one of the most important activities and people have been interested in it for many years. Modern traffic develops fast，so traveling to different places has become much easier than before.

　　Staying healthy while traveling can make your trip happier. But do you know how to keep healthy during a trip？The following information may be useful for you.

　　Before traveling：

　　●Wear comfortable shoes，a hat and sunglasses.

　　●Take some necessary medicine with you. They can be used when you get sick or have other problems.

　　●If you do lots of sports like walking or climbing during your trip，you should do some exercise for weeks or months before you leave.

　　While traveling：

　　●Be sure not to eat dirty food or bad fruit.

　　●Have enough time to take a rest during your trip.

　　●Tap water is not safe，so drink bottled water and always clean the cover on the bottle.

　　36．Traveling has become much easier because of the ______.

A．modern technology B．modern traffic development

C．travel agencies D．development of people's lives

37．You should______ before you leave your home for a trip.