5÷(5+35),
=5÷40,
=18;
答:盐占盐水的18.
故选:C.
方中配当归、白芍、木香的方剂是
A.木香槟榔丸
B.真人养脏汤
C.芍药汤
D.归脾汤
—Could you tell me what time the train leaves Hefei for Beijing —I'm afraid you need to ______ on the internet.
A. look for it B. look at it C. look it over D. look it up