题目内容
4．Experts warn that global warming will cause extreme climate changes including more _____ floods，heat waves and droughts．（ ）| A． | usual． | B． | ordinary | C． | frequent | D． | common |
分析 专家警告地区变暖会引起极端的天气变化，包括更频繁的洪水、热浪和干旱．
解答 答案是C．
本题考查形容词词义辨析．usual往常的；平常的；as usual像往常一样；ordinary 普通的；平常的；frequent 频繁的，经常的；common普遍的；常见的；common sense常识；题干表达的意思是洪水变得"频繁"，所以答案选择C．
点评 本题考查形容词词义辨析，考生在平时的学习中应注意积累相应的词汇和搭配，并牢记其意思．在做题时，将词义和题干相结合，从语法、句子结构尤其是句意上去判断，句意通顺，符合逻辑，即正确答案．
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| A． | that | B． | where | C． | which | D． | what |
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Recently，students in our class have had a discussion on whether space is worth exploring．（高分句型一）
30% of us think space exploration is not worthwhile．They think space is too far away from us and our daily life．And the money spent on space exploration can be used to solve the earth's problems such as starvation and pollution．（高分句型二）
On the other hand，70% think space is worth exploring because we have benefited a lot from it，such as using satellites for communication and weather forecast．（高分句型三） What's more，with further space research，we may solve the population problem by moving to other planets one day．Also，space research will enable us to find new sources to solve the problem of energy shortages on the earth．．
| 30%的同学认为： | 70%的同学认为： |
| 1．不值得探索 2．离我们及我们的日常生活太遥远 3．浪费金钱．这些金钱本可用来解决地球上的饥饿、污染等问题 | 1．值得探索 2．已使用卫星进行通讯传播、天气预报 3．有望解决地球人口问题、地球能源短缺问题 |
Recently，students in our class have had a discussion on whether space is worth exploring．（高分句型一）
30% of us think space exploration is not worthwhile．They think space is too far away from us and our daily life．And the money spent on space exploration can be used to solve the earth's problems such as starvation and pollution．（高分句型二）
On the other hand，70% think space is worth exploring because we have benefited a lot from it，such as using satellites for communication and weather forecast．（高分句型三） What's more，with further space research，we may solve the population problem by moving to other planets one day．Also，space research will enable us to find new sources to solve the problem of energy shortages on the earth．．
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