【判断题】营养物质通过渗透方式进入微生物细胞膜的方式有单纯扩散、促进扩散、主动运输三种。
【单选题】His speech made me _________ in modern music.
【单选题】设等差数列{a n }的公差d不为0,a 1 =9d.若a k 是a 1 与a 2k 的等比中项,则k=( )
【单选题】As far as I am concerned,what he made in his speech is just a(n)__________,nothing serious. [ ]
【判断题】In his speech made at the beginning of a new semester, Obama employed the strategy "referring to historical event" to start his speech.
【单选题】在等比数列{a n }中,若a 5 a 7 a 9 =27,则 的值为 [ ]
【判断题】营养物质通过渗透方式进入微生物细胞膜的方式有单纯扩散、促进扩散、主动运送、基团移位 等四种。
【判断题】理单是报关企业对获取的各类报关信息、数据、资料进行汇总、加工和整理的过程。
【简答题】营养物质通过渗透方式进入微生物细胞膜的方式有______、______、______和______等四种。
【单选题】Not until the meeting was over()that he had made a mistake in his speech.