振寒壮热，咳嗽气急，胸满作闷，咳痰黄绿色为哪一项特征 A．胀

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问题单项选择题

振寒壮热，咳嗽气急，胸满作闷，咳痰黄绿色为哪一项特征

A．胀满疼痛，攻窜不定
B．胀满疼痛，腹痛拒按
C．腹部刺痛，固定不移
D．腹部胀痛，嗳腐吞酸
E．腹痛喜按，得温则减

答案

参考答案：B

选择题

The wide spread of super hybrid rice around the world ______ the lives of millions and millions of people suffering from hunger to a great level.

A．has improved

B．is improving

C．improved

D．has been improving

判断题

绝缘体不可能导电。