单项/多项资信证明”主要包括以下哪些证明文件之一项或几项。()
A.开户证明
B.存款余额证明
C.授信额度证明
D.抵/质押证明
参考答案:A, B, C, D
上午某一时刻太阳光线与地面成60°角,此时一棵树的树影全部在地面上,其长度为5m,则树高为( )m。(结果保留根号)
In the past few years, My Heart Will Go On was a popular song among young people, ____ were often heard singing it at parties.
A.they
B. that
C. who
D.which