【单选题】--- Jane, ________________________ --- A policeman.
B.
what does your brother do?
C.
where is your brother?
D.
how old is you brother?
【单选题】—____ ? —He is tall and thin.
A.
What does your brother do
B.
Hoe old is your brother
C.
What does your brother look like
【判断题】晶体管特性曲线分成三个区域: 放大区 、 截止区 和 饱和区
【简答题】在平面直角坐标系xoy中,直线l的参数方程是 x= 3 + 1 2 t y=3+ 3 2 t (其中t为参数),以ox为极轴的极坐标系中,圆C的极坐标方程为ρ=cosθ,则圆心C到直线l的距离为______.
【单选题】__________ your brother often __________ homework before supper? [ ]
【判断题】变量根据变量值连续出现与否,可分为离散变量和随机变量。()
【单选题】_______? ----He is very kind to us.
A.
What does your brother look like
B.
How is your brother C What do you think of your brother D. How much do you like your brother
【简答题】在态度改变过程中,首因效应和近因效应能够对劝说效果产生重要的影响,在下列哪种条件下(其他条件一定),首因效应的作用更为明显( );哪种条件下,近因效应的作用更为明显( ) A.先后呈现的两种信息之间的时间间隔和信息呈现与态度测评之间的时间间隔均较为长久 B.先后呈现的两种信息之间的时间间隔和信息呈现与态度测评之间的时间间隔均较为短暂 C.先后呈现的两种信息之间的时间间隔较长而信息呈现与...
【简答题】变量根据变量值连续出现与否,可分为()和()