商用房贷款的额度最高为所购商用房价值的(),商住两用房贷款的额度比例最高为()。
A.40%.40%
B.40%,45%
C.50%.50%
D.50%,55%
参考答案:D
Guys, before you buy new sports shoes, please think ________ it is really necessary! [ ]
A. how
B. when
C. whether
X线胶片的γ值也称为()
A.人工对比度
B.天然对比度
C.射线X线对比度
D.胶片对比度
E.照片对比度