多项选择题 Which of the four choices can be the purpose of traveling?A. To be an adventure to explore various placesB. To see and experience how other cultures liveC. To admire the wonders created by natureD. To get inspired

多项选择题 企业持有现金，主要出于交易性、预防性和投机性动机的三大需求，下列体现了交易性动机的是（ ）。

单项选择题 Information structure describes the way in which information is formally packaged within a _______.   A、discourse B、text C、sentence D、paragraph