【简答题】adj. not pretending, honest
【单选题】The proposals they put ______ at the meeting were ______much significance to our plan’s being carried out smoothly.
【简答题】凡能满足齿廓啮合基本定律的一对齿廓称为 齿廓 。机械中常用的齿廓曲线有渐开线、圆弧和摆线等,其中应用最广的是 齿廓 。
【单选题】有关艾滋病的病因及流行现状,下列哪项是不对的?( )
D.
目前分离出来的HIV有HIV-Ⅰ及HIV-Ⅱ两型
【简答题】adj. pretending to have moral standards or opinions that they do not actually have
【单选题】In our school, students are according to how much they know and how old they are.
【简答题】adj. pretending not to know sth about a situation