(562×397)÷(281×397)______.
(562×397)÷(281×397)
=562÷281×(397÷397),
=2×1,
=2.
故答案为:2.
Is that man your teacher? [ ]
A. Yes, he is.
B. Yes, she is.
C. No, she isn't.
慢性脑血吸虫病的主要症状为()
A.舞蹈症
B.脑膜炎
C.常出现肢体瘫痪
D.脑膜脑炎
E.以局限性癫痫发作多见