机械性能指标“HB”是指()。 A.强度 B.塑性 C.韧性 D.硬度 发布时间:2019-02-13 18:31 │ 来源:www.tikuol.com 题型:单项选择题 问题: 机械性能指标“HB”是指()。A.强度B.塑性C.韧性D.硬度
题型:单项选择题 成人股骨头缺血坏死早期的X线表现为()A.股骨头形态和关节间隙正常B.股骨头塌陷,但关节间隙正常C.股骨头塌陷加重,承重区关节间隙变窄D.股骨头可见呈混合性死骨改变E.股骨头可见散在的斑片状或条带状硬化区 查看答案
题型:单项选择题 选择方框中动词词组的适当形式填空。is famous for, taking care of, be made of, look like, make friends1. Li Ming and Li Na are twin sisters. So they ______ each others. 2. His mother is ______ his little sister in the hospital now. 3. She has ________ since she came to our school. 4. Desk _______ wood. 5. Yao Ming _________ playing basketball. 查看答案
题型:单项选择题 在甲的客户中,小王的基金份额较少,且因财务状况不好而一直未追加投资,于是甲就减少了与小王的联系,不再向他提供一些投资建议,甲的行为违反了()要求。A.专业审慎B.客户至上C.公平对待客户D.诚实守信 查看答案