【单选题】Which compound has the lowest normal boiling point?
【单选题】A compound has only one weak absorption at 282 nm in hexane. Which of the following compound is possible?
【多选题】《关于加强专利行政执法工作的决定》中提到“健全专利行政执法工作激励机制”,下列选项正确的是()。
A.
执法维权工作考评结果作为全国专利工作先进集体评选和维权中心排序的重要内容之一
B.
国家知识产权局对执法维权工作考评结果优秀的地方知识产权局和维权中心给予现金奖励
C.
国家知识产权局对执法维权工作考评结果不合格的地方知识产权局和维权中心,视情况提出限期整改要求,或作出退出5.26 工程、维权中心序列的决定
D.
考评结果不合格的市知识产权局,所在城市不再列入国家知识产权局城市试点示范序列
【单选题】"A compound sentence is composed of two independent clauses which are related to each other in meaning, and each has its own semantic meaning." is a ____ sentence.
【单选题】Which compound has the longest UV absorbance maxima?
B.
(CH 3 ) 2 C = CHCH 2 CH = C(CH 3 ) 2
D.
CH 2 = CHCH = CHCH = CHCH 3
【判断题】表单提交的信息就封装在HTTP请求消息的信息体部分,用户使用request对象的getParameter方法可以得到通过表单提交的信息。
【单选题】Which compound has no IR absorption bands?
【单选题】Which compound has the best water solubility? ( )