【简答题】色彩三要素是指色彩的( )、( )和( )。
【简答题】Section lines of the same part should be drawn in the ( ) direction and spacing.
【判断题】餐厅服务员在宴会服务时,除非客人主动提出更换酒具,一般不予更换。
【判断题】最低有效温度又叫发育起点温度或生物学零点,高于此温度昆虫才开始生长发育。
【单选题】In static electric field, the relationship between the direction of electric field and direction of potential gradient is ( )
A.
direction of the electric field and potential gradient in the opposite direction
B.
direction of the electric field and potential gradient in the same direction
C.
direction of the electric field and potential gradient in the perpendicula direction
【单选题】美国十家公司在电视广告上的花费如下(百万美元): 72 , 63.1 , 54.7 , 54.3 , 29 , 26.9 , 25 , 23.9 , 23 , 20 。中位数为( )
【判断题】色彩的三要素是指色相、明度和彩度(纯度)。( )
【判断题】If a symmetrical removed section is located aligned with the cutting plane symbol, then the name and the projecting direction could be omitted.
【单选题】美国十家公司在电视广告上的花费如下(百万美元):72,63.1,54.7,54.3,29,26.9,25,23.9,23,20。样本方差为
【简答题】SECTION C (25 points) Direction: Write an English composition according to the instructions given below in Chinese 请以What is happiness to you为题,写一篇英语短文。 对于有些人而言,幸福就是和家人和朋友在一起;对于其他人而言,幸福就是获得某种成功或达到某个目标...