如果名义利率是8%，通货膨胀率是12%，那么实际（真实）利率为（ ）。
A．-4%
B．4%
C．8%
D．20%
参考答案：A
Doctors say that exercise is important for health, but it _____ be regular exercise. [ ]
A. can
B. will
C. must
D. may
审美必理结构
