旅游者丢失财物属于个人事故，导游员的义务是做好安抚工作。
参考答案：错
—Was the test you took yesterday easy?
— but easy, but I did my best.
A．Something
B．Everything
C．Nothing
D．Anything
为了进行部分酶切可以采用下列措施：______、______和______等。
