现代船舶所采用的舵叶,其横剖面是()。
A.流线型
B.三角形
C.矩形
D.梯形
参考答案:A
Could you tell me_________?
A.where is the headmaster
B.whose camera it is
C.what Jack was happened
D.how long does it take you to your school?
女,60岁,右颈淋巴结肿大3个月,蚕豆大小,其可能性最小的病变是()
A.转移癌
B.淋巴结反应性增生
C.恶性淋巴瘤
D.淋巴结结核
E.转移性肉瘤