本题考查肺心阴虚证与心血虚证临床均可见（）
A.潮热
B.心悸
C.失眠
D.心烦
E.面色无华
参考答案：B, C
— Who’s singing in the next room?
— It ______ be Mary. She ______ New York.
A．mustn’t, is in
B．must, has gone to
C．could, has been in
D．can’t, has gone to
微粒R3+离子核外有23个电子，质量数为56，则它的原子核中的中子数是
A．33
B．30
C．26
D．20
