以下______属于能源矿产品。
A．镁矿 B．芒硝 C．核燃料 D．膨润土
参考答案：A
----He thinks that girls are smarter than boys when it comes to learning English.
----But two years ago he thought_______.
A．so
B．otherwise
C．opposite
D．different
国务院的领导体制是 * * 负责制。
