Recently, a team of eight medical experts has arrived in Shanxi Province to help to       the latest vaccine incident.

A．look at

B．look into

C．look through

D．look on

实行比例税率的个人所得包括（）。

A.劳务报酬所得

B.稿酬所得

C.特许权使用费所得

D.利息、股息、红利所得

E.财产租赁所得