【判断题】铝合金部件一般应用在碰撞吸能区,除了能够承载正常的载荷外,在碰撞变形中还能吸收大量的能量,保护后面的部件完整不会变形。
【简答题】There’s been a great ______________ in his math this term. (improve)
【简答题】14-18Read the following statements and choose what kind of attention getter is used.A)Giving amazing information and statisticsB)Involving your audienceC)Presenting a quotation or a proverbD)Telling a...