粟粒型肺结核X线检查肺部粟粒状阴影出现的时间是（）。
A.起病3天
B.起病7天
C.起病10天
D.起病2周后
E.起病4周后
参考答案：D
I ______ my son ______ a doctor, but he wasn't good enough at chemistry.[ ]
A. had hoped; would become
B. had hoped; to be
C. hoped; would become
D. hoped; to be
2002年1～5月，电冰箱销售总计为（）
A．177.72亿元
B．232.27亿元
C．602.12亿元
D．121.78亿元
