釉质无机盐占总量的（）。
A.80％
B.96％～97％
C.90％
D.99％
E.95％
参考答案：B
________ is known to everybody, Taiwan is a part of China. We must unify it.
A．It
B．As
C．Which
D．What
“将息”是指（）。
A.喘息
B.将养调摄
C.斟酌之意
D.调理休息
E.将就
