问题补充:
When travelling, you should take traveller’s check, which provide a secureto carrying your money in cash.
A. alternative
B. selection
C. preference
D. substitute
答案:
(答案→)A. alternative
B. selection
C. preference
D. substitute
解析:句意:建议旅游时携带旅行支票,这比带现金安全。alternative意思为“变通办法;选择余地”,后接to/for。selection意思为“挑选”,强调在众多的数目中挑选,后接of;substitute意思为“代替品;替代品”,后接for; preference意思为“偏爱”,后接for。