指出下列各个合成词的构成方式（复合式的还须指出其类型）。（6分）
姐姐
参考答案：姐姐重叠式复合词
Will future scientific discoveries ______ for us to live a much longer life?
A．be made possible
B．make possible
C．make it possible
D．be made it possible
简述油料膨化浸出工艺的优缺点。
