()接口在接口处较易形成应力集中现象。 A.刚性 B.柔性 C.承插 D.热熔 发布时间:2017-09-18 23:42 │ 来源:www.tikuol.com 题型:单项选择题 问题: ()接口在接口处较易形成应力集中现象。A.刚性B.柔性C.承插D.热熔
题型:单项选择题 — How do you go to school? — _________________.[ ]A. By busB. In busC. In a busD. By a bus 查看答案
题型:单项选择题 The sick boy _____ to hospital by the police yesterday. [ ]A. is taken B. was taken C. takes D. took 查看答案