皮皮学,免费搜题
登录
搜题
【判断题】
C/A码的码长较短,易于捕获,但码元宽度较大,测距精度较低,所以C/A码又称为捕获码或粗码。
A.
正确
B.
错误
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】在沉淀滴定法中,同时要用到 和 两种滴定液的是
A.
铬酸钾指示剂法
B.
吸附指示剂法
C.
铁铵钒指示剂法的直接滴定法
D.
铁铵钒指示剂法的返滴定法
【单选题】— I'm terribly sorry to have lost your book. —  ______. [     ]
A.
All right
B.
Good idea
C.
Never mind
D.
You are welcome
【多选题】在撰写调研报告 时,通常包含三大部分:前言、主体、结尾(附录)。其中,“主体”是调研报告的正文,是调研报告中最重要的部分,一般包括以下哪些项目:
A.
调研目的
B.
调研目标
C.
调研方法
D.
调研内容
E.
综合分析
F.
调研结论及建议
【单选题】The board of the company has decided to __________ its operations to include all aspects of the clothing business.
A.
multiply
B.
lengthen
C.
expand
D.
stretch
【简答题】I’d been proud that I’d never lost my cellphone until my husband Jack got a call one evening. We went to visit a friend in hospital last year. When Jack’s 36 rang, it was my mother calling from my 37 ...
【单选题】在沉淀滴定法中,同时要用到AgNO3和NH4SCN两种滴定液的是
A.
铬酸钾指示剂法
B.
铁铵矾指示剂法的直接滴定法
C.
吸附指示剂法
D.
铁铵矾指示剂法的返滴定法
E.
以上都不是
【单选题】The Chinese government has overcome problems of population and economy to     ________  its “nine years of compulsory education”.
A.
abolish
B.
reserve
C.
accelerate
D.
accomplish
【简答题】Suppose Yt = 5 + 2t + Xt where {Xt} is a zero mean stationary series with autocovariance function γk. (a) Find the mean function for {Yt}. (b) Find the autocovariance function for {Yt}. (c) Is {Yt} st...
【单选题】The principle that everything in the universe has its appropriate place is favoured by ___________.
A.
St. Paul
B.
Bertrand Rusell
C.
Galileo
D.
Aristotle
【单选题】在沉淀滴定法中,同时要用到AgNO 3 和NH 4 SCN两种滴定液的是
A.
铬酸钾指示剂法
B.
铁铵钒指示剂法的直接滴定法
C.
吸附指示剂法
D.
铁铵钒指示剂法的返滴定法
相关题目: