手提式泡沫灭火机是属于（）.
A、化学泡沫
B、空气泡沫
C、A+B
参考答案：A
________________________, and the problem would be straightened out（解决）.
A．A bit more effort
B．Having a little effort
C．If you have a bit more effort
D．There being a little effort
某女，症见咳唾涎沫，短气喘促，咽喉干燥，舌干红少苔，脉虚数。治宜选用（）
A．清燥救肺汤
B．杏苏散
C．桑杏汤
D．麦门冬汤
E．百合固金汤
