题目内容
13．Nowadays，there are more and more family problemsarising/resulting from（因…而产生）lack of communication．分析 现在，因为缺乏交流而产生越来越多的家庭问题．
解答 答案是arising/resulting from；本题考查语境中选用适当的词或短语；arise/result from因…而产生；题干中需要的是problems的定语，且problem与arise/result from之间是主动关系，故用现在分词做定语，答案是arising/resulting from．
点评 翻译填空要根据所提供的汉语意思结合语境和句子结构选择恰当的词、短语或句型；同时注意句子结构和所选词的形式变化．
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18．So _________ in the darkness that he didn't dare to move an inch．（ ）
| A． | he was frightened | B． | was he frightened | ||
| C． | frightened he was | D． | frightened was he |
5．________ on their last legs，the enemies still thought they were unconquerable．（ ）
| A． | As though | B． | Even though | C． | In case | D． | As soon as |
19．Ecotourism is a combination of ecology （the study of systems of living things） and tourism．It is （51）A"responsible travel to natural areas that preserves the environment and improves the welfare of the local people"by the International Ecotourism Society．Actually，ecotourism can mean travel to far-off places of great natural beauty，but not always in a（n） （52）Dway．It's a big business，and the attraction of money can cause people to think about （53）C first．While ecotourism offers benefits to people and ecosystems，it leaves ecosystems open to negative effects，too．
Costa Rica，once a Spanish colony，and independent since 1821，has an ecotourism industry worth over one billion dollars yearly，and thousands of jobs have been （54）B．Nearly 21percent of the land is now protected national parks，（55）A thanks to ecotourism．Nevertheless，due to the number of people visiting the country's natural places，some damage to the ecosystem has occurred．
While （56）A can have a negative impact on ecosystems，the same areas might have been （57）B by industries such as farming，logging，or mining if there were no ecotourism industry．Shelters （庇护所） have been created （58）C，keeping the ecosystem protected．And，by visiting beautiful rainforests and seeing rare animals，visitors get a sense of their （59）D，and of gratitude for them．Tour guides can also be educators who train people to love and care for the environment．Visitors can take these （60）B with them to their home countries．
Unfortunately，while their effect may not be（61）B in the off-season，the constant parade of visitors in the high season can be damaging．At one national park in Costa Rica，wild monkeys now feed on garbage left by the tourists．（62）C，ecotourists tend to seek out places with the rarest animals and plants，（63）D the most delicate living things．
It is easy to be critical of the ecotourism industry，but it is important to be （64）A as well．Ecotourism can never be"pure"．We can't expect zero negative effects on the ecosystem．It is also （65）C to suppose that humans won't go anywhere accessible to them．If protection efforts are maintained and increased，those remaining places of undisturbed nature may be stressed，but they won't be destroyed．
Costa Rica，once a Spanish colony，and independent since 1821，has an ecotourism industry worth over one billion dollars yearly，and thousands of jobs have been （54）B．Nearly 21percent of the land is now protected national parks，（55）A thanks to ecotourism．Nevertheless，due to the number of people visiting the country's natural places，some damage to the ecosystem has occurred．
While （56）A can have a negative impact on ecosystems，the same areas might have been （57）B by industries such as farming，logging，or mining if there were no ecotourism industry．Shelters （庇护所） have been created （58）C，keeping the ecosystem protected．And，by visiting beautiful rainforests and seeing rare animals，visitors get a sense of their （59）D，and of gratitude for them．Tour guides can also be educators who train people to love and care for the environment．Visitors can take these （60）B with them to their home countries．
Unfortunately，while their effect may not be（61）B in the off-season，the constant parade of visitors in the high season can be damaging．At one national park in Costa Rica，wild monkeys now feed on garbage left by the tourists．（62）C，ecotourists tend to seek out places with the rarest animals and plants，（63）D the most delicate living things．
It is easy to be critical of the ecotourism industry，but it is important to be （64）A as well．Ecotourism can never be"pure"．We can't expect zero negative effects on the ecosystem．It is also （65）C to suppose that humans won't go anywhere accessible to them．If protection efforts are maintained and increased，those remaining places of undisturbed nature may be stressed，but they won't be destroyed．
| 51．A．defined as | B．made up of | C．applied to | D．combined with |
| 52．A．attractive | B．natural | C．different | D．responsible |
| 53．A．effects | B．nature | C．profits | D．economy |
| 54．A．lost | B．created | C．abandoned | D．shifted |
| 55．A．mainly | B．comparatively | C．unfortunately | D．barely |
| 56．A．tourists | B．environment | C．manufacturers | D．politics |
| 57．A．fertilized | B．destroyed | C．reserved | D．stimulated |
| 58．A．equally | B．regularly | C．instead | D．though |
| 59．A．freedom | B．hardness | C．welfare | D．value |
| 60．A．ecosystems | B．lessons | C．animals | D．trainers |
| 61．A．uncertain | B．noticeable | C．healthy | D．special |
| 62．A．For instance | B．On the contrary | C．In addition | D．As a whole |
| 63．A．appreciating | B．discovering | C．sheltering | D．pressuring |
| 64．A．positive | B．creative | C．effective | D．sensitive |
| 65．A．feasible | B．reasonable | C．unrealistic | D．inevitable |