【单选题】The solid facts he provided in his speech left a deep impression on his audience.
【多选题】在汽车上发生火灾时如何逃生,正确的做法有()
【判断题】稀释硫酸时,必须在烧杯等耐热容器中进行,而且必须在玻璃棒不断搅拌下,仔细缓慢将水加注到浓硫酸中
【判断题】某技术人员配置农药时,误将2000倍液的药液配成了200倍液,因此导致了樱花大量落叶,这是不属于病害,因为没有病原。
【单选题】(单选题)制定礼和刑的是( ),其目的是用来维护贵族内部的等级制度,和平民.
【判断题】稀释硫酸时,必须在烧杯等耐热容器中进行,必须在玻璃棒不断搅拌下,缓慢的将酸加入到水中。
【判断题】As the speaker approaching the end of his speech, he may add to more information in the last few sentence to enrich his speech.