--__this-- It’s a bear（）

include＜iostream＞

include＜iomanip＞

include＜string＞

using namespace std;

class PhoneNumber{

public:

void setNumber(string number) {this--＞number = number;}

//重载流插入操作符

friend【 】(ostream &output,const PhoneNumber &num)

{ output＜＜num. number; return output; }

private:

string number;

};

int main() {

PhoneNumber phone;

phone. setNumber("8008100598");

cout＜＜"The phone number is:"＜＜phone＜＜endl;

return 0;

}

A.256kb/S

B.512kb/s

C.1Mb/s

D.10Mb/S

E.100Mb/S

F.110.768Mb/S

A.the

B.that

C.that's

Since + S + 过去式，S + 现在完成式。

A．P(S)、V(S)和V(S)

B．P(S)、P(S)和V(S)

C．V(S)、V(S)和P(S)

D．V(S)、V(S)和P(S)

A.S=‘ ’

B.S=‘’

C.S=‘φ’

D.S=‘θ’

A.0m/s/s

B.300m/s/s

C.300km/s/s

D.300000km/s/s