问题
选择题
The web is fantastic at many things, e-mail, e-commerce, for example. But _____ your name is Amazon Or Google, making money has proved hard.
A．if
B．although
C．unless
D．as
答案
答案：C
四个选项分别表示如果、尽管、除非和由于。根据题意，网络赚钱已经被证明是很难的，除非你的名字是亚马逊或者谷歌。故选C。