第18题: [单项选择]The physician had to visit his patient six ______ days before the patient could be considered in a fair condition. A. consequent B. consecutive C. consistent D. conservative 参考答案:B 答案解析:[解析] consecutive连续的，接连的。consequent随之发生的；consistent一致的，调和的；conservative保守的。
第33题: [单项选择]Some scientists have suggested that Earth is a kind of zoo or wildlife （） for intelligent space beings, like the wilderness areas we have set up on earth to allow animals to develop naturally while we observe them. A. conservation B. maintenance C. storage D. reserve 参考答案:D 答案解析:
