—Yes, he bought for the family.
A：enough old, enough food
B：old enough, enough food
C：enough young, food enough
D：young enough, food enough
800＋700＝____
1200－300＝____
1800－900＝____
300＋1000＝____
400＋500＝____
180－80＝____
400＋600＝____
90＋30＝____
5000－3000＝____
300＋700＝____
下列关于苯酚的叙述中，正确的是( )
