砖红色冻胶样痰常见于（）
A.肺梗死
B.克雷伯杆菌肺炎
C.大叶性肺炎
D.支气管扩张
E.百日咳
参考答案：B
Can you tell me if he _____ finish the work on time? [ ]
A. could
B. was able to
C. is able to
D. would be able to
支架固定在预埋件上为了防止有大焊缝的预埋板上的水泥开裂，可在水泥上打磨坡口，坡口尺寸最大宽度为（）
A.5mm
B.6mm
C.7mm
D.8mm
