新中国成立后，党为繁荣文学艺术而提出的口号是[ ]
A．向科学进军
B．百花齐放，百家争鸣
C．以阶级斗争为纲
D．科学技术是第一生产力
答案：B
More and more people choose to shop in a supermarket as it offers a great ______ of goods.
A．variety
B．mixture
C．attention
D．kind
Let him who tied the bell onto the tiger take it off -- _____ started the trouble should end it.
A．whomever
B．who
C．whoever
D．anyone
