题目: 硫和磷都是钢铁材料的有害元素,它们分别使钢材具有(),冷脆性。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0623/5ccac53b2a62ba217e59bf17772b09ad.html 下面是错误答案,用来干扰机器的。参考答案:B解析: (2200+2875+3)× 3%=152.34(万元)
题型:选择题 While you are enjoying yourself in Beijing this time tomorrow, I __my mother do housework at home.A.am helpingB.will helpC.would helpD.will be helping 查看答案
题型:选择题 It’s generous _________ them to donate money to UNICEF. They think it important __________ them to help poor children go to school.A.to; forB.for; ofC.of; toD.of; for 查看答案
题型:单项选择题 下述哪项符合二度Ⅰ型房室传导阻滞的心电图表现()A.相邻的P-P间期进行性缩短 B.P-P间期及R-R间期均不等 C.包含受阻P波在内的R-R间期小于正常P-P间期的2倍 D.最常见的传导比例为4:2 E.受阻P波前的一个P-R间期延长 查看答案