【判断题】每半年付息一次的债券利息是一种年金的形式。
【单选题】DR系统的空间分辩率与屏片系统比较( )
【单选题】Part A Directions: You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer ― A, B, C or D, and mark it in your test booklet. You...
A.
She figured the problem out in her head.
B.
She was ahead of the other students until today.
C.
She didn't think careful about the problem.
D.
She used her calculator to do the problem.
【多选题】有关'有包膜病毒'的叙述,哪一项是错误的:
【判断题】独白在现代戏剧中运用的方式没有任何变化。()
【多选题】根据点的两个投影求出第三投影,下列哪些说法是正确的?
C.
不作 45 度斜线,根据点的任意两个投影也可以求出第三投影;
D.
45 度斜线的原因是因为俯视图和左视图中点的投影与 OX 轴的距离是相等的;