单元自测题一、基础知识 1、消费能量 _______________________________ 2、发生、产生 ____________________ 3、自然现象 _______________________________ 4、支持这个观点 __________________ 5、做精确的测量 ___________________________ 6、导致 _________/_________/________ 7、对待全球变暖的态度 _____________________ 8、持续变暖 _______________________ 9、代表……一方 ___________________________ 10、改善环境的能力 _________________ 11、忍受污染 ______________________________ 12、电器 ___________________________ 13、可回收利用材料 ________________________ 14、吸收二氧化碳 ___________________ 二、单项选择： 1. is it _______ to you that the government is having a hard time now? a. of much important b. of much consequence c. of very important d. of many consequence 2. something must be done to ______ the river from ___
