SQL语言具有两种使用方式，分别称为交互式SQL和( )。
A．多用户SQL
B．解释式SQL
C．嵌入式SQL
D．提示式SQL
参考答案：C
Though he is in his late sixties, the well-known biologist begins each day ____ a sense of adventure and a sense of curiosity.
A．in
B．with
C．of
D．at
根据沉积岩的（）将沉积岩分为他生和自生2大类。
A、成因
B、成分
C、结构
D、构造
gist begins each day ____ a sense of adventure and a sense of curiosity.