货币是由（）创造出来的。
A.金和银
B.信用
C.贝壳
D.私有制度
参考答案：B
Mother bought many tomatoes from the market two days ago, ____ some have gone bad due
to the bad weather. [ ]
A. of those
B. from which
C. of which
D. in which
临床中大量蛋白尿是指尿中排出蛋白超过
A．<40mg/24hB．40～100mg/24hC．100～150mg/24hD．150mg/24hE．3.5g/24h
