题目内容
8．The baby wasabandoned（抛弃） by his parents．分析 婴儿被他的父母遗弃了．
解答 答案abandoned．
考查被动语态．根据句意：婴儿被他的父母遗弃了．句子的主语是the baby与动词abandon之间是被动关系．所以用被动语态，故答案填abandoned．
点评 被动语态由"助动词be+及物动词的过去分词"构成．被动语态的时态变化只改变be的形式，过去分词部分不变．疑问式和否定式的变化也如此．掌握各种时态的被动语态是解题的关键．
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18．Eco-tourism involves people traveling to beautiful but environmental sensitive places．Such trips are （41）Bcarried out with an experienced guide．Over recent years，this type of travel has been steadily gaining （42）Cas more people search for new travel experiences．
Eco-tourism has many benefits．First，all the （43）Aspent by the tourists is used to（44）B
the important environmental spots they visit．Second，it helps（45）Dto better understand the environment，thereby （46）Ctheir knowledge of the world．Furthermore，this style of travel is also more（47）Aof the local culture．
Compared to（48）Dtourists，eco-tourists use energy more efficiently，save water and produce less rubbish by finding ways to （49）Bit．These behaviours have a（50）Cand lasting effect on the local environment．
Two things are needed to make eco-tourism a/an（51）A．First，it should be done in small groups．And second，because it requires considerable effort，both eco-tourists and locals must be （52）Bin their commitment to improving the environment．
Green travel provides local people with jobs in parks，（53）D and shops．One great achievement of eco-tourism has been the （54）Cof illegal hunting．Former hunters can now work as guides to help keep the animals （55）B in their natural surroundings．Green travel also（56）D
local people's quality of life，especially children's．
Peru is one country using eco-tourism to promote respect for the （57）A．It's now able to take better care of its rainforests because of a/an（58）Con more sustainable（可持续的）travel．
（59）Dthis，local people's living-standards have improved．Many others are now following Peru's （60）Aand using eco-tourism to preserve their environment for the future generations．
Eco-tourism has many benefits．First，all the （43）Aspent by the tourists is used to（44）B
the important environmental spots they visit．Second，it helps（45）Dto better understand the environment，thereby （46）Ctheir knowledge of the world．Furthermore，this style of travel is also more（47）Aof the local culture．
Compared to（48）Dtourists，eco-tourists use energy more efficiently，save water and produce less rubbish by finding ways to （49）Bit．These behaviours have a（50）Cand lasting effect on the local environment．
Two things are needed to make eco-tourism a/an（51）A．First，it should be done in small groups．And second，because it requires considerable effort，both eco-tourists and locals must be （52）Bin their commitment to improving the environment．
Green travel provides local people with jobs in parks，（53）D and shops．One great achievement of eco-tourism has been the （54）Cof illegal hunting．Former hunters can now work as guides to help keep the animals （55）B in their natural surroundings．Green travel also（56）D
local people's quality of life，especially children's．
Peru is one country using eco-tourism to promote respect for the （57）A．It's now able to take better care of its rainforests because of a/an（58）Con more sustainable（可持续的）travel．
（59）Dthis，local people's living-standards have improved．Many others are now following Peru's （60）Aand using eco-tourism to preserve their environment for the future generations．
| 41．A．finally | B．usually | C．suddenly | D．roughtly |
| 42．A．pleasure | B．satisfaction | C．popularity | D．freedom |
| 43．A．money | B．time | C．energy | D．effort |
| 44．A．pollute | B．protect | C．purchase | D．explore |
| 45．A．scientists | B．hunters | C．guides | D．visitors |
| 46．A．approving | B．confirming | C．enriching | D．supporting |
| 47．A．respectful | B．aware | C．uncertain | D．independent |
| 48．A．rich | B．curious | C．lazy | D．normal |
| 49．A．use | B．recycle | C．copy | D．resstrict |
| 50．A．challenging | B．disappointing | C．positive | D．risky |
| 51．A．success | B．adventure | C．tool | D．symbol |
| 52．A．polite | B．sincere | C．doubtful | D．grateful |
| 53．A．mines | B．factories | C．schools | D．hotels |
| 54．A．ban | B．result | C．decline | D．appearance |
| 55．A．close | B．safe | C．friendly | D．active |
| 56．A．influences | B．examines | C．balances | D．improves |
| 57．A．environment | B．law | C．economy | D．hosts |
| 58．A．effect | B．theory | C．focus | D．discussion |
| 59．A．But for | B．According to | C．In spite of | D．In addition to |
| 60．A．example | B．rule | C．advice | D．tradition |