蚕豆种子的结构中跟鸟的卵黄功能相似的是( )
A.胚
B.子叶
C.胚根
D.种皮
答案:B
——It’s said John will be in a job paying over $60,000 _____ year.
—— Right, he will also get paid by _____ week.
A.the; the
B.a; a
C.the; a
D.a; the
肝脓肿X线平片检查主要的征象为()
A.肝区含气或液平的脓腔影
B.右膈肌膨隆
C.右下肺盘状肺不张
D.右胸膜肥厚
E.胸腔少量积液