寒凝血瘀，月经不调，少腹冷痛，当选用何性味的药物（）
A.辛、寒
B.辛、温
C.苦、温
D.苦、寒
E.咸、寒
参考答案：B
The problem requires ______.
A．studying with great care
B．to study carefully
C．to be studied without carelessness
D．taking great care of studying it
右侧结肠癌临床表现的特点是（）。
A.全身中毒症状、腹部肿块、贫血
B.全身中毒症状、便秘、便血
C.全身中毒症状、肠梗阻症状
D.大便习惯改变、全身中毒症状
E.贫血、便血、腹泻
