I never buy (electric) ____products online because if the thing is broken, you have to send it back.
查看答案
I think football is (good) ____than basketball.
This diagram illustrates the (popular) ____of the different sports amongst young people. 答案
The doctor has performed a ____(success) operation on the patient.
下列说法不正确的是
A. 气胸是指胸膜腔中有空气,负压消失
B. 肺泡和肺胸膜穿孔可形成气胸
C. 胸腔穿孔,人工缝合闭合后,抽出胸腔空气可成负压
D. 胸膜腔进空气后,肺组织完好,肺还可以呼吸空气
E. 左肺与右肺以纵隔为界,互不相通