【单选题】学生为获得相应的地位和威望而努力学习的动力属于( )。
【简答题】Which of the following does the author NOT express? [A] The function of toys is to inspire play. [B] Good toys are very important to the children's growth. [C] Toys should be chosen according to child...
【单选题】Which statement does the writer of the article NOT express, either directly or by implication?
A.
Sharply defined classifications of taste are needed.
B.
More research regarding the molecular constituency of food is necessary.
C.
Food values shall be objectively determined by an expert 'smeller'.
D.
Temperature isn't an important factor in the value of food.
【单选题】认知内驱力、自我提高内驱力和附属内驱力在动机结构中所占的比重并非一成不变。在( )附属内驱力最为突出 A.儿童早期 B.少年期 C.青年期 D.成年期
【单选题】各轴伺服环增益(位置环增益)的参数是( )
【多选题】分配原材料费用,常用 的分配方法有( )
【简答题】建筑物基础的垫层尺寸为 30 ×6 0m ,基坑深 2.0m ,场地土为II类土。挖土时四面放坡,在基坑底周边设置排水沟,即 a + b + c=0.8m 。边坡坡度为 1:0.75 。已知土的可松性系数为 (Kp=1.2,Kp'=1.04) (1)土方开挖量是多少? (2) 若室外地坪以下混凝土垫层及基础总体积为1500立方米 ,其余空间用原土回填,剩余土全部外运,应外运多少土?
【单选题】认知内驱力、自我提高内驱力和附属内驱力,在动机结构中所占的比重并非一成不变,在( )附属内驱力最为突出。
【判断题】各轴的位置环增益参数范围为0 ~99999,当参数设置为0时,伺服响应速度加快,并且可能导致系统抖动?
【单选题】当儿童为了赢得父母的赞扬、老师的喜爱或同伴的尊重而努力学习时,他的成就动机是属于(? ? )[1分]