【单选题】What is' Exclusively Presidential Trivia' in this passage?
A.
It is a dictionary on US politics.
B.
It is a little paperback book with brain-testing questions and answers.
C.
It is a tourist guidebook with maps of US states in it.
D.
It is a scholarly book on serious subjects including US history.
【判断题】细菌菌落计数时,如果两稀释度菌落数都大于300,以低倍计数;如两稀释度菌落数都小于30,则以高倍计数。
【单选题】Which of the followings is NOT a stage in the presidential election in the US?
B.
Presidential candidates campaigning
C.
Voters’ casting ballots
D.
Electoral college vote
【多选题】甲公司于2005 年5 月10 日申请一项饮料配方的发明,2009 年6 月1 日获得专利权, 2011 年5 月11 日与乙公司签订一份专利独占实施许可合同。下列哪些选项是正确的?
【单选题】(单选题)漫画中的一群人认为把剩菜打包是一件丢人的事,对此理解正确的是( )。
【单选题】After a hard ---fought campaign, Barack Obama won the US presidential election, and became President of the United States---the first African –American in country’s history to do so.
【多选题】甲公司于2000年5月10日申请一项饮料配方的发明,2009年6月1日获得专利权,2011年5月11日与乙公司签订一份专利独占实施许可合同。下列哪些选项是正确的?