They were very thirsty, ______ they had some watermelons.[ ]
A. so
B. because
C. but
答案:A
灰浆泵泵送的灰浆的稠度为()mm。
A.60~80
B.70~80
C.80~120
D.120~140
“为了稳定大局,侵犯一些人的权利也难免。”( )