可见光污染中,夜间迎面驶来的汽车的灯光,会使人视物不清,此属于()。
A.灯光污染
B.其他可见光污染
C.视觉污染
D.眩光污染
参考答案:D
35. makes the peasant worker proud is he has set up a new bridge for the villagers.
A.What; that
B.What; because
C.That; what
D.That; because
男性,50岁。咳嗽、咯血1个月,伴呼吸困难、低热及胸痛。胸片发现左肺上叶不张。为确诊应采取检查的最佳组合是()
A.胸部CT+支气管镜+全身放射性核素扫描
B.胸部CT+支气管镜+痰找癌细胞
C.胸部CT+痰找癌细胞+结核菌素试验
D.胸部CT+支气管镜+癌胚抗原
E.胸部CT+痰找癌细胞+痰找抗酸杆菌