皮皮学，免费搜题
登录
搜题
【单选题】
已知HAC的Ka= 1.8×10 -5 , 则含有 0.1mol/L HAc和0.1mol/LNaAC 的缓冲溶液的 pH 为
A.
5.32
B.
6.87
C.
4.74
D.
3.21
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】已知单位负反馈控制系统的开环传递函数为G(s)=【图片】，则该闭环系统为( )
A.
稳定
B.
条件稳定
C.
临界稳定
D.
BIBO 稳定
查看完整题目与答案
【单选题】拳有拳心.拳眼.拳面.拳轮和拳背要素.拳的大拇指应压放在中指食指的 。
A.
第一指节
B.
第二指 节
C.
随意
D.
掌根
查看完整题目与答案
【判断题】Participant blogs and online research communities may be considered to be examples of e-ethnography or netnography.
A.
正确
B.
错误
查看完整题目与答案
【判断题】银行承兑汇票的出票人于汇票到期日末能足够交存票款的,承兑银行可以向持票人拒绝付款。
A.
正确
B.
错误
查看完整题目与答案
【单选题】中国白酒有多种香型,但( )不属于中国白酒的香型。
A.
醋香型
B.
酱香型
C.
浓香型
D.
清香型
查看完整题目与答案
【单选题】__________ her inexperience， she has done quite a good joB．A.ProvidedB.GivenSX
A.
__________ her inexperience， she has done quite a good joB． A.Provided
B.
Given
C.
Seen
D.
Suppose
查看完整题目与答案
【单选题】Which of the following statements is NOT true about blogs?
A.
Apart from online newspapers or other digital press, blogs also have enormous impact on people’s daily life.
B.
Blogging has become a new way to transmit news and ideas.
C.
Blogs in new media age are characterized by most up-to-the-minute stories and personalized narrative style.
D.
More and more people turn to blogs for entertainment rather than news or other useful information.
查看完整题目与答案
【判断题】Participant blogs are one way to conduct focus-group type research using social media.
A.
正确
B.
错误
查看完整题目与答案
【简答题】银行承兑汇票的出票人于汇票到期日末能足够交存票款的，承兑银行可以向持票人拒绝付款。（ ）
查看完整题目与答案
【多选题】Most blogs ( ).
A.
are similar to other static websites
B.
allow visitors to leave comments
C.
are interactive
D.
use widgets on the blogs
查看完整题目与答案
相关题目：
【单选题】已知单位负反馈控制系统的开环传递函数为G(s)=【图片】，则该闭环系统为( )
A.
稳定
B.
条件稳定
C.
临界稳定
D.
BIBO 稳定
查看完整题目与答案
【单选题】拳有拳心.拳眼.拳面.拳轮和拳背要素.拳的大拇指应压放在中指食指的 。
A.
第一指节
B.
第二指 节
C.
随意
D.
掌根
查看完整题目与答案
【判断题】Participant blogs and online research communities may be considered to be examples of e-ethnography or netnography.
A.
正确
B.
错误
查看完整题目与答案
【判断题】银行承兑汇票的出票人于汇票到期日末能足够交存票款的,承兑银行可以向持票人拒绝付款。
A.
正确
B.
错误
查看完整题目与答案
【单选题】中国白酒有多种香型,但( )不属于中国白酒的香型。
A.
醋香型
B.
酱香型
C.
浓香型
D.
清香型
查看完整题目与答案
【单选题】__________ her inexperience， she has done quite a good joB．A.ProvidedB.GivenSX
A.
__________ her inexperience， she has done quite a good joB． A.Provided
B.
Given
C.
Seen
D.
Suppose
查看完整题目与答案
【单选题】Which of the following statements is NOT true about blogs?
A.
Apart from online newspapers or other digital press, blogs also have enormous impact on people’s daily life.
B.
Blogging has become a new way to transmit news and ideas.
C.
Blogs in new media age are characterized by most up-to-the-minute stories and personalized narrative style.
D.
More and more people turn to blogs for entertainment rather than news or other useful information.
查看完整题目与答案
【判断题】Participant blogs are one way to conduct focus-group type research using social media.
A.
正确
B.
错误
查看完整题目与答案
【简答题】银行承兑汇票的出票人于汇票到期日末能足够交存票款的，承兑银行可以向持票人拒绝付款。（ ）
查看完整题目与答案
【多选题】Most blogs ( ).
A.
are similar to other static websites
B.
allow visitors to leave comments
C.
are interactive
D.
use widgets on the blogs
查看完整题目与答案