Everyone has hobbies．Hobbies（1）　　us a lot of happiness． For most of us， the activities we like to do are common and easy． However， there are（2）　　people who like to take risks．（3）　　are more interested in doing dangerous sports， such as snowboarding， diving（潜水）and rock climbing．

    Many people enjoy（4）　　．You can do it indoors on special walls or outdoors on real mountains．There are many advantages to rock climbing﹣it is fun and it also helps people（5）　_　 their worries，

    The most important tool to have is good shoes．They need to be half a size smaller than your usual（6）　　． The next thing you need is a harness（保护带）． This allows you to move freely，（7）　　 it will hold you up if you fall． It's important to know how to use your tools． If you are a beginner， it's best to have lessons． A climber with experience can help you a lot（8）　　 you are learning to climb．

    Rock climbing is very exciting for people of different ages．Climbers，however，must be careful not（9）　　the environment．Sometimes rock climbers leave rubbish on the mountains which they climb． They should take it（10）　　 them and throw it away．This will let future climbers enjoy a clean environment．

（1）A． take	B． bring	C． provide	D． have
（2）A． other	B． the other	C． another	D．every
（3）A． We	B． You	C． All	D． They
（4）A． snowboarding	B． diving	C． rock climbing	D． swimming
（5）A． remember	B． forget	C． solve	D． keep
（6）A． size	B． shape	C． color	D． kind
（7）A． and	B． but	C． so	D． or
（8）A． before	B． when	C． after	D． until
（9）A． to protect	B． to produce	C． to pollute	D． to save
（10）A． along	B． to	C． for	D． with