假性胰腺囊肿小于()cm可不考虑手术治疗
A.3
B.6
C.9
D.12
E.15
参考答案：B
. I’ll show you the store ____you may buy all ____you need.
A that ,that B which, that C where ,which D in which,/
对销贸易是以货物或劳务、工业产权和专有技术等无形财产的进口和出口相结合并互为条件的贸易方式，又称为：
A．易货贸易 B．互购贸易C．补偿贸易 D．互抵贸易
