外汇经纪人代客户接洽外汇买卖,旨在收取佣金,他们不承担外汇风险。()
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"Speculation is science's very life-blood" means that scientists ______.
A. are gamblers on science
B. must form. opinions about the data they gather
C. must concern themselves with provable facts
D. must understand all sciences
下面程序的运行结果是 #include<iostream.h> class base{ protected: int a; public: base(){cout<<"0";} }; class basel:virtual base { public: base1(){cout<<"1";} }; class base2:virtual base{ public:
A. 123
B. 3120
C. 312
D. 3012
在稳、准、狠中,“稳”是关键。()
A. 正确
B. 错误
【B17】
A. pretend
B. incline
C. tend
D. intend