【单选题】有一随机变量 y(平均数)~N(100,16), 若 P(y > 104)=0.1587, 则 P(y > 96)= ( )
【判断题】在两部门、三部门、四部门经济中的收入构成中,储蓄-投资恒等式总成立
【单选题】What is the main idea of paragraph 4?
A.
The difficulties of cross-sex friendship stem partly from the media.
B.
Movie and television have set different rules for men and women to interact.
C.
Television has not helped to promote cross-sex friendships.
D.
Some book authors play a negative role in people accepting cross-sex friendships.
【判断题】南宋词人吴文英号梦窗,有《梦窗词》;周密号草窗,有《草窗词》,两人合称“二窗”。()
【简答题】放置棉障时()。 A.棉障位置应视具体佩戴的助听器类型而定; B.棉障的大小要根据患者外耳道的横截面积确定; C.棉障的四周要能接触到外耳道周壁的皮肤; D.棉障越大越好,这样就能保证印模膏不会越过棉障伤及鼓膜; E.若棉障四周不能接触到外耳道周壁的皮肤,印模就容易越过棉障伤及鼓膜。
【多选题】关于视障儿童学习动机,下列说法正确的是
A.
视障儿童在进入学龄阶段之后,学习动机有较大的差异
B.
部分儿童动机过强,并为此承受着巨大的心理压力,长期处于焦虑状态,造成恶性循环
C.
另一些则缺乏内在动力,学习动机不明确,表现出诸如盲从、浮躁、偏科等问题
D.
在学习动机失调的背后,还折射出视障学生自尊和效能感的不良状态
【单选题】Chinas young need some form. of sex education. What will they get from it? What is the best way to teach【C1】______? Michael: Im a college student. But I havent【C2】______any sex education from either t...
【判断题】在两部门、三部门、四部门经济中的收入构成中,储蓄-投资恒等式总成立
【简答题】What happened when each same- group had two or three puppets?