——Did the book give the ___________ you needed?——Yes. But ____________ it, I had to read the whole book.
A:information; find
B:information; to find
C:message; found
D:message; finding
如果a×b>a(a≠0),那么b一定大于1.
人体对淀粉和脂肪进行消化的终结部位分别是 ( )。
下列各组混合气体点燃后可能发生爆炸的是( )