【判断题】泵经常盘车可以不断改变轴的受力方向,防止轴弯曲变形。
【判断题】焰熔法合成红宝石从台面观察可看到较明显的二色性
【单选题】Why does Maggie like to meditate?
A.
Because she has a really nice instructor.
B.
Because she thinks it’s really peaceful.
C.
Because she wants to keep pace with the world.
D.
Because she wants to escape from stress.
【单选题】--- What does Maggie look like? --- _________
B.
She likes parties a lot.
D.
She is tall and pretty.
【多选题】晚期罗马风建筑与哥特式建筑具有很多相似之处,在以下几种特征中,属于哥特式建筑独有的是
【单选题】What exercise does Maggie do?
【判断题】直方图是由一个横坐标,两个终坐标和几个按高低顺序排列的矩形组成的图示技术。()