肝气郁结证患者的闻诊特点多为（）
A.少气
B.呃逆
C.夺气
D.噫气
E.太息
参考答案：E
—How beautiful your school building is!
—Yeah! It _____ last year. [ ]
A. built
B. was built
C. is built
有关1840X与1940Y的说法正确的是（ ）
A．互为同位素
B．电子层数相等
C．单质是双原子分子
D．质量数相等
