目前认为基因表达调控的主要环节是（）。
A.基因活化
B.转录起始
C.转录后加工
D.翻译起始
参考答案：B
He__ at the last party. He felt sorry for it.
A. makes some mistakes B make a mistake
C. made few mistakes D. made many mistakes
金银花的常用量是（）
A.1～3g
B.3～6g
C.6～15g
D.15～25g
E.10～30g
