unit 8 adventure-lesson2.用所給詞的正確形式填空1she very _(obvious)wanted to be left alone.2the _(similar)between mars and the earth were enough to keep alive hopes of some forms of martian lives.3the captain was not willing to risk _(take)his ship through the straits until he could see where he was going.4he sent off copies to _(vary)people for them to read and make comments.5he knew how important a piece of _(equip)the radio was when he could get touch with the outside.選擇適當(dāng)?shù)亩陶Z，并用其正確形式完成句子in order toupside downturn upback outtake upget acrossput onqualify forgo through withset up1do you think many people will _ at our party?2she decided not _ the operation.3wouldnt it be better for her to continue to do this work than to _ something new?4even when it rains the sloth(樹獺) hangs _ in the tree.5i _ a new system for my computer so it could work faster.6i had created a way to _ my message _ by using as few words as possible.7he has decided not to play football_ focus on his schoolwork.8the team failed to _ the south africa world cup.9you could not，in good conscience，_ your deal(協(xié)議) with him.10he took off his uniform and _ a sweater and trousers.從方框中選擇正確的問題補(bǔ)全對話a.is walking a sport too？b.do you play them well？c.whats your favorite sport？d.what are you reading，allan？e.what does he do in his leisure time？amy：_1_allan：a sports magazine.amy：you like sports?allan：sure.every man likes sports.amy：not every man.my brother doesnt like sports at all.allan：_2_amy：he goes fishing.allan：fishing is a kind of sport，too.amy：is it?allan：yes.basketball，soccer，boxing，hockey，tennis，badminton and swimming are the kinds of sports that require energy whereas fishing，bowling，golf，billiards，and such like are sports that are more gentle and less active.amy：i see._3_allan：strictly speaking，no.amy：_4_allan：billiards and basketball，id say.amy：_5_allan：im pretty good at billiards.as for basketball，i merely watch the games，although i like it very much.amy：well！im going to my aerobic class.if therere any calls for me，please take a message.下面是一篇不完整的文章，請將標(biāo)有ag的句子插入文章中標(biāo)號為15的合適位置，使這篇文章意義完整、結(jié)構(gòu)連貫，其中有兩個(gè)句子是多余的rick stevenson,16 years old，spends every minute he can on the mountain.he and his friends go snowboarding every weekend.“its great，” he says.“_1_.” his friend laura fields agrees.“no one goes skiing any more，”she says，“thats for the old folks.”rick and laura are part of a new trend in sports.its philosophy(宗旨)is to get as close to the edge as possible.and more and more young athletes are taking part in these risky activities called “extreme sports” or “xsports”_2_.today，they want risk and excitementthe closer to the edge，the better.they snowboard over cliffs and mountainbike down steep mountains.they windsurf near hurricanes and bungeejump from towers.extreme sports started as an alternative(選擇余地)to more expensive sports such as golf.a city kid who didnt have the money to buy expensive sports equipment could get a skateboard and have fun.but now it has become a whole new area of sports，with specialized equipment and high levels of skill.theres even a special olympics for extreme sports，called the winter xgames，which includes snow mountain biking and ice climbing.what makes extreme sports so popular？“_3_，” says murray nussbaum，who sells sports equipment.“city people want to be outdoors on the weekend and do something challenging.the new equipment is so much better that people can take more risks without getting hurt.” an athlete adds，“sure theres a risk.once you go mountain risking or snowboarding，its impossible to go back to bike riding or skiing.its just too boring.”_4_.every weekend groups of friends in their early 30s get together.during the week they work as computer programmers in the same office.on sundays they rent mountain bikes that cost 2,000 each and ride down steep mountains together.extreme sports are certainly not for everyone._5_.but extreme sports are definitely gaining in popularity.“these sports are fresh and exciting.its the wave of the future，” says nussbaum.amost people still prefer to play basketball or watch sports on tvbin the past，young athletes would play baseballcits not likely to stopdthe winds are so strong，and the boards go 50 miles an houreno one can keep out the extreme sportsfpeople love the riskgnow even the older is starting to join in.閱讀理解some people say，“extreme sports are so dangerous.why would anyone want to do them？” but the danger is what makes them so exciting.keep reading to find out the most popular ones.bungee jumping：people on some south pacific islands have been bungee jumping for hundreds of years.in 1979，some people bungee jumped off a bridge in england and made the sport popular around the world.bungee jumping came to china in 1996.skateboarding：at first，this sport was called “sidewalk surfing”skateboarders often jump high into the air，go down steps or slide(滑行) down rails on their boards.they wear baggy trousers so they can move more freely.skydiving：this is probably the scariest(最驚險(xiǎn)的) extreme sport.skydivers jump out of airplanes about four kilometers up in the sky.they usually free fall for a while and then open a parachute to slow down for a safe landing.snowboarding：this became a winter olympic sport in 1998.people tied their feet to the board with special shoes.they dont use any ski sticks.then they ride down hills，jump high and do tricks.1what made bungee jumping popular all over the world?aa history of hundreds of years.bjumping over a river in america.ccoming to china in 1996.djumping off a bridge in england.2in which sports do people jump from a plane or from a high place? abungee jumping and skydiving.bskydiving and skateboarding. cbungee jumping and skateboarding. dsnowboarding and skateboarding.3why do some people like to do the extreme sports?aits easy to learn.bits exciting and safe.c