问题
选择题
For passengers traveling into the city, taxis and car services charge ________ 50 dollars.
A．immediately
B．approximately
C．relatively
D．decreasingly
答案
B
题目分析：考查副词：A. immediately立刻，B. approximately 大约，C. relatively 相对的，D. decreasingly 减少地，句意：对到城里旅游的乘客，出租车和汽车的服务费用大约是50美元。选B。