题目内容
9．Water is fundamentalto the development of life．分析 水是生命发展的基础．
解答 to 考查固定短语．be fundamental to 意为"是…的根本"，是固定短语，其中to是介词，故填to．
点评 英语中的固定短语，既不能添词，也不能少词，是固定的，要求同学们在平时记忆准确，然后根据句意找出记忆中的固定搭配，做出正确的答案．
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19．It takes plenty of time for some adults to try to stop children playing．They are usually people who think of play as being the （41）D of work and therefore a waste of time．For humans，work is a way of getting food to eat，and like humans，（42）B must spend time doing the（43）C things．Regardless of this，children （44）A playing，and so do other young animals．It is quite （45）B to keep both a small child and a young cat （46）C for hours with a piece of paper．
Hunting may be the most obvious skill（47）A in play，but it is far from being the only one．Lambs and goat kids play （48）B，although as adults they will never （49）D anything other than some grass．But for these young animals too，（50）A is an important part of learning．Sheep and goats are （51）A hill and mountain animals．Running and skipping exercise young legs and develop a strong sense of （52）B that will keep them safe on the steepest rocks．
（53）C animals'play，children's play is not so different．（54）D trees and catching flies are not the most obvious training for the adult world，but the flexibility （55）B in these activities is similar to that required of a bus driver or businessman．
What we know about animals shows us that playing is a very good way of （56）D，so maybe one of the best ways for （57）A to learn is also by playing．Children find playing is fun，but （58）C notice that they are also learning at the same time．Most people continue to play games long after they have become （59）D，and perhaps that is because we rely so much on our （60）C to learn．
Hunting may be the most obvious skill（47）A in play，but it is far from being the only one．Lambs and goat kids play （48）B，although as adults they will never （49）D anything other than some grass．But for these young animals too，（50）A is an important part of learning．Sheep and goats are （51）A hill and mountain animals．Running and skipping exercise young legs and develop a strong sense of （52）B that will keep them safe on the steepest rocks．
（53）C animals'play，children's play is not so different．（54）D trees and catching flies are not the most obvious training for the adult world，but the flexibility （55）B in these activities is similar to that required of a bus driver or businessman．
What we know about animals shows us that playing is a very good way of （56）D，so maybe one of the best ways for （57）A to learn is also by playing．Children find playing is fun，but （58）C notice that they are also learning at the same time．Most people continue to play games long after they have become （59）D，and perhaps that is because we rely so much on our （60）C to learn．
| 41．A．reward | B．basis | C．nature | D．opposite |
| 42．A．children | B．animals | C．parents | D．cats |
| 43．A．dull | B．ordinary | C．same | D．chief |
| 44．A．enjoy | B．regret | C．delay | D．ignore |
| 45．A．necessary | B．possible | C．reasonable | D．difficult |
| 46．A．annoyed | B．alarmed | C．amused | D．amazed |
| 47．A．practiced | B．kept | C．tested | D．required |
| 48．A．clumsily | B．endlessly | C．crazily | D．aggressively |
| 49．A．catch | B．plant | C．learn | D．hunt |
| 50．A．play | B．work | C．jump | D．walk |
| 51．A．naturally | B．initially | C．strangely | D．equally |
| 52．A．direction | B．balance | C．distance | D．space |
| 53．A．Based on | B．Inspired by | C．Compared with | D．Developed form |
| 54．A．Cutting | B．Growing | C．Watering | D．Climbing |
| 55．A．reduced | B．needed | C．damaged | D．allowed |
| 56．A．growing | B．exercising | C．improving | D．learning |
| 57．A．humans | B．creatures | C．adults | D．students |
| 58．A．generally | B．possibility | C．hardly | D．truly |
| 59．A．strong | B．wise | C．athletic | D．mature |
| 60．A．flexibility | B．liberty | C．curiosity | D．responsibility |