如果ATP脱去了两个磷酸基团,该物质就是组成RNA的基本单位之一,称为[ ]
A.腺嘌呤
B.三磷酸腺苷
C.腺嘌呤核糖核苷酸
D.腺嘌呤脱氧核糖核苷酸
答案:C
查字典并且组词。
查“守”字应查部首 ,我会给它组词 。
The factory ______we'll visit next week is not far from here.
A.where
B.to which
C.which
D.in which