胸腔穿刺的应用范围（）
A.排除积液
B.采取胸腔液
C.胸腔给药
D.洗涤胸腔
参考答案：A, B, C, D
On the Eve of the Spring Festival, we Chinese people like to play with fireworks, and the noise doesn’t _________ until after midnight.
A．die back
B．die off
C．die out
D．die down
腺源性感染主要来源是
A．腮腺
B．颌下腺
C．舌下腺
D．淋巴结
E．扁桃体
