【中国好题源】（含答案解析）人教选修八 Unit 3 Inventors and inventions

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Unit3 Inventors and inventions
单项选择题
1.【原创】I sleep with the window open unless it`s really cold.
A if B whether C unless D how
【解析】我总是开着窗户睡觉, 除非天气非常冷才关上窗户.unless=if not 除非.
【答案】C
【教材原句】The criteria are so strict that it is difficult to get new ideas accepted unless they are truly novel.
2. 【原创】...