虎杖的气味是()
A.气微,味微苦、涩
B.气清香,味苦微涩,嚼之黏牙,有沙粒感
C.气微,味微甜而稍苦涩
D.气特殊,味初微涩,渐苦而辛
E.气香,味微甘而苦涩
参考答案:A
China has developed rapidly since 1978.
A.has a rapid development
B.has made rapid progress
C.has a great change
D.has made a rapid progress
炉底除渣油系统的正常维护?