以下哪种声像图最易诊断为肾积水()
A.肾盂、肾盏集合系统充满无回声
B.肾盂、肾盏集合系统回声增强
C.肾失常扭曲
D.肾实质多发无回声
E.肾盂内局限性高张囊性无回声
参考答案:A
It was _____ he came back from Africa that year _____ he met the girl he would like to marry.[ ]
A. when; then
B. not; until
C. not until; that
D. only; when
傣族的传统节日是什么节日?