临床见恶心、呕吐呃逆、嗳气等症频作，其病机是
A．痰浊上壅
B．肺气上逆
C．肝气上逆
D．胃气上逆
E．奔豚气逆
参考答案：D
The surgeon suggested that he __________ at once.
A．needed operating on
B．needed operation
C．need operating on
D．need to be operated
下列对生育保险性质表述正确的为( )
A．长期性补助
B．保险性补助
C．短期性补助
D．福利性补助
