—_ you very much.
—That's all right. [ ]
A. That
B. Thank for
C. Thank
D. Thanks
答案:C
胃脘胀满疼痛,嗳气酸腐,不欲食,证属()
A.胃寒
B.气滞
C.食积
D.胃气虚
E.血瘀
在调配塑料时,其聚合体和单体调和后其经历的变化时期为()。
A.4个
B.5个
C.6个
D.7个
E.8个