现场管理人员审核名章由（）统一规范管理，统一制定样式。
A.二级分行
B.一级（直属）分行
C.总行
D.一级支行
参考答案：B
—You look so _____in this picture. You usually don't dress like that.
—Oh, I was at a party. I took it just for fun. [ ]
A.differently
B.different
C.worried
D.friendly
T7噬菌体启动子只能由T7噬菌体的RNA聚合酶识别并启动转录。
