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【多选题】
设随机变量(X,Y)的概率密度如下，则正确的是【图片】A.
X与Y独立同分布，都服从N(-1,1)
B.
A=2
C.
(X,Y)~N(1,1,0.5,0.5,0)
D.
P(min{X,Y}
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反馈参考答案：
举一反三
【多选题】关于大脑皮质的功能定位正确的是
A.
第一躯体感觉区位于中央后回与中央旁小叶后部
B.
第一躯体运动区位于中央后回与中央旁小叶后部
C.
听区位于颞横回
D.
视区位于距状沟上下的皮质
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【简答题】Listed in the box below are some expressions you have learned in the text. Complete the following sentences with them. 【Change the form where necessary.】 [ dress up; drift away; fall behind; put o...
【简答题】请翻译此段落。 Shortly, however, I had my life under control. I managed to go to class on time, do my first assignments and hand them in, and pass my first exams with fairly good grades. In addition, I made ...
【单选题】大脑皮质的功能定位,错误的是
A.
中央前回及中央旁小叶的前分为躯体运动区,管理对侧肢体的运动
B.
中央后回和中央旁小叶的后分为躯体感觉区,施管对侧半身的躯体浅、深感觉
C.
身体各部在躯体感觉区、躯体运动区的投影呈倒人形,但头部是正的
D.
身体各部占躯体感觉、运动投影区的大小与该器官的大小成正比
E.
距状沟的上下皮质为视区,颞横回为听区
【简答题】对大脑皮质的功能定位是如何获得的？
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