1.3第一单元词汇测试 1、单选题： Some home and office buildings in the U.S are now being heated with __________ energy.选项：A: lunarB: solar C: naturalD: water答案: 【 solar ...
1.3第一单元词汇测试 1、单选题： Some home and office buildings in the U.S are now being heated with __________ energy.选项：A: lunarB: solar C: naturalD: water答案: 【 solar ...
第1章单元测验 1、单选题：Attempts to explain the pattern of international trade选项：A: have been a major focus of international economist.B: have proven to be hopeless.C: have proven to be a...
