稻田中水稻和野稗之间的关系属于[ ]
A.捕食
B.合作
C.竞争
D.寄生
答案:C
Louise was very patient _______ me. [ ]
A. with
B. of
C. at
D. upon
《三因极一病证方论》在病因上首先分为()、()、()三类。