食管癌患者进食呛咳，提示（）。
A.癌侵犯吞咽神经
B.上段食管癌
C.食管气管瘘
D.癌肺转移
E.伴有气管炎
参考答案：C
– A report says an old man supports some poor children .
–Yes. We all feel is kind him to do so much for the children.
A．that; for
B．it; for
C．that; of
D．it; of
如图所示的家用电器，正常工作时的电功率最接近1000W的是
