【单选题】单选题:跨境电子商务主要采取( )方式。
【判断题】电子商务主要采取无纸化操作的方式,这是以电子商务形式进行交易的主要特征。
【单选题】The author hopes to have the current situation in sports improved by______.
A.
regulating the relationship between players and referees
B.
calling on players to use clean language on the court
C.
raising the referees' 'sense of responsibility
D.
changing the attitude of players on the sports field
【单选题】Tom is not _______ he was in the situation _______ he was pessimistic.
【单选题】It’s helpful to put children in a situation they can see themselves differently.