A．Positive.B．Negative.C．Indifferent.D．Strongly supportive.

下列程序段中哪一组将a，b变量值交换？（)（A) a=a－bb=a＋ba=a－b（B) b=a＋ba=a－bb=a－b（C) a=a＋bb=a－ba=

Whats the speakers attitude towards books about public speaking？A．Positive.B．Grateful.C．Ne

What is the womans attitude towards the International Talent Show？A．Positive.B．Negative.C．

What does the woman imply about critical reaction to the play Happy Strangers？A．Negative c

Whats the Sudans attitude toward Canadas plan？A．Positive.B．Reluctant.C．Optimistic.D．Carele

What is the authors attitude to the guest-worker plan？A．Positive.B．Negative.C．Neutral.D．In