皮皮学，免费搜题
登录
搜题
【单选题】
用样本估计量的值直接作为总体参数的估计值,这一估计方法称为( )A.
点估计
B.
区间估计
C.
无偏估计
D.
有效估计
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】(Para. 3) In fact, recent research has revealed only one significant difference, in terms of content, between male and female gossip: Men spend much more time talking about themselves. Of the total ti...
A.
Women don’t realize they are gossiping.
B.
Men only gossip outdoors.
C.
Women speak more about themselves than men do.
D.
Men speak more about themselves than women do.
【简答题】完形填空 One of the main reasons that may stop us from reaching our goals and desires is our inability to be flexible. This fact may be__ 1 __to swallow, but it's true.We do everything to get rid of suffe...
【简答题】电热器具中常用的加热方式有：电阻加热、远红外线加热、（）、微波加热。。
【简答题】完形填空 One of the main reasons that may stop us from reaching our goals and desires is our inability to be flexible. This fact may be_ 1 _to swallow, but it's true.We do everything to get rid of sufferi...
【判断题】One of the main criticisms of television is the fact that people just aren’t selective enough.
A.
正确
B.
错误
【简答题】电热器具中常用的加热方式有: 、远红外线加热、 、 。
【简答题】D One of the main challenges facing many countries is how to maintain their identity in the face of globalization and the growing multi-language trend. “One of the main reasons for economic failure in...
【简答题】完形填空 One of the main reasons that may stop us from reaching our goals and desires is our inability to be flexible. This fact may be__ 1 __to swallow, but it's true.We do everything to get rid of suffe...
【单选题】Please indicate the main function of the phrase that is in boldface in the following passage. More than one letter might be acceptable, but you must choose only one option as the best. Consider this p...
A.
P = premise marker
B.
C = conclusion marker
C.
A = assuring term
D.
G = guarding term
E.
D = discounting term
F.
E+ = positive evaluative term
G.
E- = negative evaluative term
H.
N = None of the above
相关题目：