问题
选择题
“Wechat”(微信)really makes a great _____to people’s life. It’s easier for us to keep in touch with others.
A．choice
B．difference
C．problem
D．surprise
答案
答案：B
题目分析：句意：微信真得对人们的生活影响很大。使我们更容易与别人保持联系。choice选择；difference不同，make a difference to对……造成影响；problem问题；surprise惊奇，惊讶。因此，选B。