组蛋白为一类富含______和______的带正电荷的碱性蛋白。
参考答案:Arg;Lys
根据汉语提示写单词,补充短文。
Our ___________ (英语) teacher is a kind woman. She is very ___________ (漂亮的). She is very
___________ (瘦的) and ___________ (高的). And she is very ___________ (严格的). We all ___________
(喜欢) her. Our math teacher is ___________ (矮的) and ___________ (强壮的). He is a ___________
(和蔼的) teacher, too.
阅读下文,把文中拼音所表示的汉字和划线字的注音依次写在相应的方格内。
我俯身倾听着,分biàn( )着,心神犹如融于水中,随泉而流,游遍鼎湖;又好像泉水汩( )汩滤过心田,冲走污垢( ),留下深情,任我品味,引我xiá( )想。