脘腹胀痛,走窜不定,嗳气,肠鸣,矢气后胀痛可减,属于()。
A.食滞胃肠证
B.寒滞胃肠证
C.虫积肠道证
D.胃肠气滞证
E.寒饮停胃证
参考答案:D
We'd better hurry ______ it is getting dark. [ ]
A. and
B. but
C. as
D. unless
TIFF文件格式是()格式。