下列可食用的部分属于营养器官的是( )
A.大豆
B.花生
C.白菜
D.苹果
答案:C
牙体磨损的并发症()
A.牙本质过敏
B.食物嵌塞
C.牙髓病
D.颞颌关节功能紊乱
E.创伤性溃疡
根据句意及汉语的提示,补全单词.
1. He is _____ (高的) of the two boys.
2. Which desert is_____ (大的) in the world?
3. Things have gone from bad to _____ (更差).
4. The trees can prevent the wind from _____ (刮) the earth away.
5. He jumped twice as _____ (高) as his friend.