危机干预的最低目标是保护当事人,预防各种意外。 ( )
参考答案:对
—What do you think of his speech at the court?
—Er..., sorry, I ________ about something else.
A.had thought
B.thought
C.was thinking
D.have been thinking
在北纬80度使用EPIRP,应使用().
A.406Mhz EPIRP
B.1.6Ghz EPIRP
C.VHF70CH EPIRP
D.都可用