21÷3=7,表示有( )个3,每( )个一份,能分( )份。
7;3;7
A tree was planted along the road _____.(Choose the one that is NOT proper for the blank)[ ]
A. every ten metres
B. every tenth metre
C. every other metre
D. every the tenth metre
由致热原引起的发热是
A.脑出血
B.肺炎
C.心力衰竭
D.甲状腺功能亢进
E.皮炎