引起鼻中隔偏曲的原因是()。
A.鼻外伤
B.骨与软骨的发育不均衡
C.增殖体肥大
D.肿瘤或异物的推压
E.慢性鼻炎
参考答案:A, B, C, D
The old man was quite weak after the accident, so he______.
A.must look after
B.must be taken care
C.must be looked after
D.must take care of
胸腺瘤的主要蔓延方式()
A.血行转移
B.胸内外淋巴结转移
C.胸内扩散+血行转移
D.胸内局部扩散
E.胸膜转移