太阳的大气层由里向外依次是[ ]
A、日冕、 * * 、光球
B、 * * 、光球、日冕
C、日冕、光球、 * *
D、光球、 * * 、日冕
答案：D
— Sorry, the tickets have already been sold out.
— Really? Maybe I ________ a little earlier.[ ]
A. should come
B. should have come
C. could have come
D. must have come
荆芥除祛风解表外，又能（）
A．行气宽中
B．温肺化饮
C．透疹止痒
D．凉血止血
E．利水消肿
