What __________(prepare) will you ________ for your trip?

With an older person you can shake hands and smile. But...

单项选择题With an older person you can shake hands and smile. But remember that in America, we like a firm handshake.
A、跟长者见面要微笑、握手,但要记住,在美国我们喜欢有力地握手。
B、跟长者见面要微笑,美国人喜欢有力的握手。
C、跟长辈见面要微笑、握手,但要记住,在美国我们喜欢温柔地握手。

Class Stonewt is declared as follows.  class Stonewt { ...

单项选择题Class Stonewt is declared as follows. 
class Stonewt
{
   //some members
public:
    Stonewt(double lbs);
    Stonewt(int stn, double lbs);
    Stonewt();
    ~Stonewt();
    operator int() const;
    operator double() const;
};
Which function will be invoked by the following line of code ?
wt = 120.0; //wt is an object of type Stonewt

预约电话需要确定接车时间。

判断题预约电话需要确定接车时间。