皮皮学，免费搜题
登录
搜题
【单选题】
点估计的缺点是( )A.
不能给出总体参数的准确估计
B.
不能给出总体参数的有效估计
C.
不能给出点估计值与总体参数真值接近程度的度量
D.
不能给出总体参数的准确区间
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】Everday I get up, make some coffe, shower, get _______ (dress) and leave for the train station at precisely 7:35 A.M.
【单选题】I used to ____ up late, but now I get used to ____ up early. [ ]
A.
get; get
B.
get; getting
C.
getting; getting
D.
getting; get
【简答题】读对话，选答案。 Amy: When do you get up? Mike: I get up at 6: 40. I get up early because I have breakfast at home. Amy: What about weekends? Mike: Oh, I get up at 9: 00. Amy: What do you do on the weekends? ...
【单选题】I used to ______ late, but now, I’m used to _____ early
A.
get up; get up
B.
getting up; getting up
C.
got up; get up
D.
get up;, getting up
【单选题】I get up ______ six ______ the morning every day, but ______ Sunday morning I get up a little later.
A.
at, in, on
B.
at, in, in
C.
at, on, on
D.
in, on, at
【单选题】—What time do you usually get up? —____________. [ ]
A.
I usually get up in the morning.
B.
I usually get up six forty.
C.
I usually get up at six o'clock.
D.
I usually get up at six forty o'clock.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
