【单选题】Whitney Houston was confirmed dead in her LA hotel room, _____ a tragic(悲剧的) end to the world’s most popular singer.
【多选题】导游人员在旅游车上讲解应掌握的要领中,正确的是( )。
【单选题】According to Paragraph 1, which of the following is true of La Nina?
A.
It brings an end to El Nino.
B.
It balances the effects of El Nino.
C.
It follows a decrease of ocean temperature.
D.
It causes the ocean temperature to drop rapidly.
【单选题】从调研的样本规模上讲,广告调研大致可以分为( )和定量调研。
【多选题】导游人员在旅游车上讲解应掌握的要领中 , 正确的是 ()
【多选题】导游人员在旅游车上讲解应掌握的要领中,正确的是 ( )