男,10岁。近5年来左侧腮腺反复肿胀,间隔1~2月发作一次。有助于明确诊断的检查是
A.CT检查B.B超检查C.涎腺造影D.放射性核素扫描E.唇腺活检
参考答案:C
商业电价执行范围?
If you let me make a choice ______ Jane and Anne, I would say Jane is______one to be my assistant.
A.between; the best
B.from; the best
C.between; the better
D.from; the better