1．Many people prefer airplanes when a long trip．For others.cruise ships offer the best choice．Howeve——青夏教育精英家教网——

1．Many people prefer airplanes when （61）taking （take） a long trip．For others，cruise ships offer the best choice．However，for some travelers，the only way to（62）truly（true） experience a country is traveling overland by motorcycle，train（63）or hitchhiking （免费搭便车）．
Kevin and Julia Sanders are two well-known overland travelers．In 35days they rode by motorcycle from Alaska to the tip of South America，（64）a journey of 20，000miles across 14（65）countries （country）．Kevin believes that traveling by bike gives people more freedom because you never have to worry（66）about bus or train schedules．Instead you can organize your time the way you want．
If you prefer to travel in a little more comfortable，trains are another popular overland choice．The train offers travelers the opportunity （67）to communicate （communicate） with locals．
For the adventurous，hitchhiking can be an exciting way to see a country．Hitchhiking can be quite（68）dangerous （danger） and is not advised in many countries，but when （69）itis safe to do so，travelers love it．Hitchhikers often learn things that cannot （70）be found （find） in travel guides．

20．A healthy lifestyle is related to physical and mental fitness．Do you think it is time to make changes to lead （41）a healthier life？Nowadays many people say they just don't get much time to look after （42）their （they） health．However，it is what you do and eat every day（43）that guarantees（保证） you a healthy body．So make some little changes in your schedule to improve your lifestyle．It's never too late．
These are some suggestions （44）given （give） by health experts which can help you achieve your goal．First of all，add healthy food items to your diet．For example，eating green vegetables and fruits （45）is （be） a must because they contain lots of vitamins and minerals （46）that/which are necessary to your body．Do remember to exercise （47）regularly （regular） because it will burn extra fats in your body and help you gain control of your （48）weight （weigh）．If you can't exercise every day，at least go for a walk every day．Sleep at least 8hours every day（49）to make （make） you feel fresh and energetic．In addition，many people do some activities every day，（50）saying （say） this helps them to develop their mind．There are many things you can do to keep healthy，but exercising will always be at the top．

19．On a very cold winter day，there was a drunken guy（41）whodecided that he would go fishing on the ice in the lake．
He packed up all his fishing tools and set out in search of a （42）suitable （suit） spot．Eventually he came across a huge area of ice and decided that since he（43）had come （come） to the lake，he would stop there and gave it （44）a go．He took out a saw（锯） from his tool box，and started to saw a hole in the ice．（45）Suddenly （sudden），a loud voice beside him，"There is no fish here．"came．The drunken man looked （46）around/about/round but he couldn't find anyone．So he decided to ignore the voice and carried on （47）sawing（saw）．Again，the voice sounded，"I've told you once，there is no fish here!"He looked at the surroundings again，but there were still no people there．So he returned to his task．"Stop it!"shouted the very sounding voice，"You'd better get out of here quickly （48）or you will get into trouble．""Who are you？"The drunken guy shouted．"You don't scare me!""Watch out and listen to me，"（49）replied（reply） the voice，"I'm the（50）manager（manage） of this Skating Rink!（溜冰场）"

18．使情况更糟的是．to make matters worse．

17．记熟；把…背下来．learn…by heart．

16．有…可以使用．have access to．

15．取得突破．make a breakthrough．

14．对…充满信心．have faith in．

13．It is our duty todefend（防御） our country against enemies．

12．He said heregretted（后悔） having left the work unfinished．

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