问题
选择题
By law,when one makes a large purchase, he should have _____ opportunity to change his mind.
A．accurate
B．adequate
C．urgent
D．excessive
答案
答案：B
词义辨析。A. 精确地 B. 充足的；适当的 C. 紧急的 D. 极度的；过分的。句意：根据法律，当一个人大量购买时，他应该有一个适当的机会改变主意。故选B。
