商业银行根据()可以在境内外设立分支机构。
A.经济发展需要
B.竞争需要
C.管理需要
D.业务需要
参考答案:D
The computer system is meant to provide students with quick and easy ______ to the digital resources of the library.
A.access
B.passage
C.way
D.passport
该二树对应的树林包括几棵树
A.1
B.2
C.3
D.4