【单选题】合成后无需进行转录后加工修饰就具有生物活性的RNA是:( )
【单选题】You're late for work. You had a doctor's appointment, didn't you?
【简答题】You're late for work again. You ______ have been here an hour earlier. A) should B) may C) must D) could
【判断题】If you're constantly late for work, you should always explain to your boos about your being late.
【单选题】【李冬雪】下列说法中不正确的一项是( )
A.
《红楼梦》前几回中,“林黛玉进贾府”、“葫芦僧判断葫芦案”等都具有总纲性质,通过林黛玉进贾府,总体介绍了贾府的环境和人物。通过葫芦僧判断葫芦案的情节,总体介绍了贾、史、王、薛四大家族一损俱损、一荣俱荣的关系,明确了贾府的外部环境。
B.
《红楼梦》一开始就出现的“甄士隐”、“贾雨村”两个人,含有“将真事隐去”,“用假语村言”的意思;宁荣二府四位小姐分别名为“元春”、“迎春”、“探春”、“惜春”,表示贾府四春“原应叹息”。
C.
林黛玉本是仙山上的绛珠仙草,而贾宝玉原是神瑛侍者。一天,神瑛侍者用仙水精心灌溉快枯死的绛珠仙草,终于让它重又存活,后来绛珠仙草投胎转世为一女子,就是林黛玉。所以贾宝玉第一次见了林黛玉,就有似曾相识的感觉。
D.
贾政长女元春被册封为妃,皇帝恩准探亲。宁国府为了迎接这一大典,修建极尽奢华的大观园。
【单选题】听力原文:Hi, I'm Casey Evers with your news update. If you were late to work this morning because you were sitting in heavy traffic, chances are you were on Highway 36. Construction for the new toll road ...
【单选题】______, young man! If you're late for work again, you'll lose your job.
【单选题】20140104四位二进制数,(从0000到1111)中,不含连续三位相同的数字共有(4)个。