A:基因突变、基因重组和染色体变异产生进化的原材料
B:基因突变只能够产生新的基因,不会产生新的基因型
C:控制酪氨酸酶的基因异常引起白化症状,说明基因可通过控制酶的合成控制生物性状
D:不同物种之间、生物与无机环境之间在相互影响中不断进化发展,这就是共同进化
阅读下面这首唐诗,然后回答问题。
夏日南亭怀辛大
孟浩然
山光①忽西落,池月②渐东上。
散发乘夕凉,开轩③卧闲敞。
荷风送香气,竹露滴清响。
欲取鸣琴弹,恨无知音赏。
感此怀故人,中宵劳梦想。
注 ①山光:照在山上的阳光。②池月:池边的月亮。③轩:窗。
词汇运用 。根据句子意思,用括号中所给汉语提示或英语单词的适当形式填空。(每空一词)
1.The poster says more than one____ will attend the presentation. (导演)2.She had been very successful before ____ the film industry. (进入)3.Who do you think thought of that____ ending of the story? (令人惊讶的)4.We all know that he is always trying to do things____ . (不同地)5.The teachers often tell us not to do anything ____ the law. (反对)6.Audrey Hepburn is considered as one of Hollywood’s all-time ____ actresses. (great)7.My parents often remind me of the road____on my way to school every day. (safe)8.How do you like the film____ on the novel of Mo Yan? (base)9.It's said that young man went abroad for further education alone in his____ (20)10.We are not sure whether the victim was killed or he killed____ .(he)
下列式子是分式的是( )。