【简答题】A.fall down B.fall into C.fall across
【判断题】功能蛋白质分子中,只要个别氨基酸残基发生改变都会引起生物功能的丧失
【判断题】功能蛋白质分子中,只要个别氨基酸残基发生改变都会引起生物功能的丧失。
【单选题】His hair was beginning to ________ in handfuls.
【单选题】The phrase 'signs off on' in the last paragraph is closest in meaning to ______.
A.
signs a contract to build
【单选题】Let's not ______ over such a trifle!
【单选题】Let' s not_____over such a trifle!
【判断题】声明变量时,如果未声明它的数据类型,则默认为Variant。(P.23)
【判断题】功能蛋白质分子中,只要个别氨基酸残基发生改变都会引起生物功能的丧失。
【单选题】In autumn, leaves turn yellow and _________ the trees.