【简答题】英译汉:We specialize in this field for 12 years, with the strength of producing sneakers, which are superior quality with competitive price.
【判断题】渐开线直齿圆柱齿轮传动的平均传动比准确,但瞬时传动比不恒定
【单选题】最近,大米中镉超标受到人们广泛关注。镉有剧毒,首先引起肾脏损害,然后破坏人体内的钙,使人患上无法忍受的骨痛病。结合图示判断,下列关于镉的说法错误的是
【单选题】— ________ for the fire! — It's OK. I'll be careful enough. [ ]
【判断题】“We specialize in this field for 12 years, with the strength of producing sneakers, which are superior quality with competitive price.”This sentence can be translated as:我们在此行业已经营12年,我们生产的运动鞋物美价廉。
【单选题】Be careful, OK ? Look left and right before you go______the street.
【单选题】—Shall we call for a taxi? —OK. Let me _______ the phone number in Yellow Pages. [ ]
【单选题】悬架的( )可以传递除垂直力以外的各种力和力矩。
【单选题】最近,大米中镉超标受到人们广泛关注。镉有剧毒,首先引起肾脏损害,然后破坏人体内的钙,使人患上无法忍受的骨痛病。结合图示判断,下列关于镉的说法错误的是( )