【单选题】函数 y= k x (k<0) 的图象上有点(x 1 ,y 1 ),(x 2 ,y 2 ),(x 3 ,y 3 ),已知x 1 <x 2 <0<x 3 ,则y 1 ,y 2 ,y 3 大小关系是( )
【多选题】有关上古史官,以下说法错误的是:
B.
最早的比较合理的史料分类来自《隋书·经籍志》;
【多选题】有关上古史官,以下说法错误的是:
B.
最早的比较合理的史料分类来自《隋书·经籍志》。
【判断题】( )切削力的三个分力中,切深抗力是占主要的切削力。
【多选题】有关上古史官,以下说法错误的是:
C.
最早的比较合理的史料分类来自《隋书·经籍志》。
【单选题】负反馈系统的开环极点为-1、-4(两重),开环零点为-2;若该系统具有一对实部为-3.75的共轭复极点,那么该系统的另外一个极点为
【简答题】 1. 举例说明,什么是汉语音节结构的封闭性?(ppt上已给出的例子除外) 2. 英语的音节结构具有什么样的特点?这些特点给我们的英语学习带来了什么样的困扰? 3. 汉英互译 (1)In 1968 Andy Warhol was shot by a woman who hadbeen in one of his films. Valerie Solanas was angry with War...
【单选题】Why does Captain von Trapp treat the children in the military way at the beginning?
A.
Because the captain doesn’t like children.
B.
Because the captain doesn’t know anything of parenting.
C.
Because the captain thought the children were responsible for their mother’s death.
D.
Because the Baroness doesn’t like the children.
【单选题】Why does the captain change his mind and ask Maria to stay?
A.
Because he realizes how Maria has been helpful and he is thankful to her for trying hard to bring music and joy back to the family.
B.
Because he has secretly made a plan to marry her.
C.
Simply because he feels he wouldn't be able to find someone like Maria to be his children's goveness.