中国人民银行自受理符合要求备案材料之日起()个工作日内,根据规定的条件和程序对金融机构从事融资券承销业务进行备案订可。
A.15
B.20
C.25
D.30
参考答案:B
A Korean survey shows that shopping cart handles are the most bacteria-carrying items among some ________used objects.
A.relatively
B.ordinarily
C.frequently
D.sincerely
胶合板由多层薄板胶合而成,由于它的相邻单板的纤维方向成()形相互交错,故能降低顺纹和横纹材性之间的不均匀性。