【判断题】多媒体同步技术的功能就是解决声,图,文等多种感觉媒体信息的综合处理,协调多媒体在时空上的同步问题。()
【单选题】学习新信息对已有旧信息回忆的抑制作用称为
【单选题】已知某点的运动方程为 s = a + bt 3 ( s 以米计, t 以秒计, a 、 b 为常 数),则点的轨迹 ___ __________ 。
【简答题】Vocabulary Practice 1 Fill in each blank with the proper form of a word in the box convince 使确信,使信服 : 指通过行动或言语使他人从思想感情上信服 e.g. I) They convinced him of his error by sound argument. 2) The touch of...
【简答题】在含Ag+和Ag的溶液中加入氨水,溶液中[Ag+]将________(上升/下降),φ(Ag+/Ag)将________(上升/下降)。
【简答题】某种植物种群,AA基因型个体占30%,aa基因型个体占20%,则: (1)植物的A和a基因频率分别是__________________________。 (2)若该植物自交,AA、aa后代中基因型个体分占___________、_________。这时,A、a的基因频率分别是 _________________。 (3)依据现代生物进化理论,这种植物在这一时期中是否发生了进化? ________...
【简答题】改错题。 An English lady was finally decided that she really should learn to drive, And after many attempts, she past her driving test and told her husband that, to release, he was going to drive him over...
【判断题】在一个种群中若基因型为AA的个体占30%,则群体中A基因的频率一定是0.3。( )
【简答题】短文改错 A Woodman come into a forest to ask the Trees to give it a handle for Ax (斧子) . It seemed so modestly a request that the principals tree at once agreed to it, but it was settled among them that t...
【单选题】You can fly to London this evening______ you dont mind changing planes in Paris.