I have not seen him_____ he went to college.
A.when
B.before
C.as
D.since
答案:D
胃脘疼痛痞硬,干噫食臭,肠鸣不利,舌苔黄白相兼,脉弦数者,治宜().
A.消食导滞,理气和胃
B.温中健脾,消导和胃
C.辛开苦降,和胃消痞
D.泻热和中,健运脾胃
E.温中化湿,健运脾胃
激发美术学习动机的技术通常有哪些?