单项选择题

结肠癌最早的表现是

A.腹痛
B．腹部包块
C．肠梗阻
D．便血
E．排便习惯及粪便形状改变
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单项选择题
所有的财税活动均应在（）规定的范围内进行。

A.暂行条例
B.通知
C.行政法规
D.法律
单项选择题
M：How did your final exam go？W：It was a nightmare.I did my best to prepare for it and I have gone through the notes so many times，but I still couldn’t figure out the answer.Q：What is the woman’s attitude towards the final exam？（）

A．Worried.
B．Cheerful.
C．Confident.
D．Angry.
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