吉尔背着这么大的一只包徒步登山有些问题。

Jill has some ________ ________ ________ the mountain ________ ________ a big bag on his back.

阅读下面的背景材料，并选出问题的正确答案。

　　Skin-diving is a new sport today. This sport takes you into a wonderful new world. It is like a visit to the moon. When you are under water, it is easy for you to climb rocks (岩石) because you are no longer heavy.

　　Here, under water, everything is blue and green. During the day, there is lots of light. When fish swim nearby, you can catch them with your hands.

　　When you have tanks of air on your back, you can stay in deep water for a long time. But you must be careful when you dive in deep water.

　　To catch fish is one of the most interesting parts of this sport. Besides (另外), there are more uses for skin-diving, You can clean ships without taking them out of water. And you can get many things from the sea.

　　Now you see that skin-diving is both useful and interesting.

(1)Skin-diving is a new sport. It ________.

[　　]

A．will take you to the moon

B．will take you to a new world of land

C．will take you to the mountain

D．will take you to the deep water

(2)In deep water there is ________.

[　　]

A．a lot of light

B．no light at all

C．lots of blue light

D．lots of green things

(3)You can climb big rocks under water easily because ________.

[　　]

A．you are very heavy

B．you are as heavy as on the land

C．you are not as heavy as on the land

D．you have no weight at all

(4)With a tank of air on your back, you can ________.

[　　]

A．catch fish very easily

B．stay under water for a long time

C．climb big rocks

D．have more fun

(5)Which of the following is NOT true? ________

[　　]

A．Skin-diving is a new sport.

B．Skin-diving is like visiting the moon.

C．The only use of skin-diving is to have more fun.

D．Skin-diving is not only interesting but also useful.

Do you have to carry a heavy bag to school? Does it make your back (背部) hurt? Well, students at a high school in Kansas (堪萨斯州), America, have a meeting with their city’s mayor（/meM/市长） to complain (抱怨) about their heavy bags. They say their bags are giving them headaches, and making their necks (脖子) and backs hurt. The mayor says he is very sorry. He says students may do more of their homework on the Internet (国际互联网) to give their back a rest.
【小题1】A heavy bag may make students ＿＿.