不定项选择
按调整环境保护关系的法律规范来定义环境保护法体系，其优点是规范的法律地位一目了然。
单项选择题 Having seen the boycott that Revlon had narrowly averted and being afraid of __________ similar wrath, Avon, Bristol-Myers and other major cosmetics corporations soon followed suit. A、occurring B、incurring C、concurring D、encounterring
判断题
判断题 巴斯德和他的助手们研制出了狂犬病疫苗。 正确 错误
