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多项选择题

天干地支，简称为干支，源自中国远古时代对天象的观测。十天干和十二地支依次相配，组成六十个基本单位，两者按固定的顺序相互配合，组成了干支纪元法。下列选项中属于十二地支的是（ ）。

A. 戊
B. 戌
C. 巳
D. 己
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相关考题

单项选择题
本课程讲授者认为发明DDT作为杀虫剂获得诺奖是个失误
A、正确
B、错误
多项选择题
关于货币相关知识，下列说法中错误的是（ ）。
A. 金银天然是货币
B. 充当一般等价物的纸币是货币
C. 货币的本质是一般等价物
D. 货币是价值的符号而自身没有价值
问答题
英译汉Giant cell tumor of bone (GCT) accounts for approximately 5-9% of primary bone tumors and 20% of benign bone tumors. GCT occurs only after the epiphyseal plates have closed. It most commonly presents in patients between the ages of 25 and 40 and has a slight female predominance. GCT can arise in any bone of the skeleton, but is most frequently detected around the knee (50%); it involves the epiphyseal regions of the distal femur and proximal tibia, although it originates in the metaphysis. GCT is a locally aggressive, generally benign lesion; however, 10% are malignant with local spread or metastases, generally to the lungs. The tumor is usually subcortical and related to the fused growth plate of a metaphysis. It thins the cortex, and periosteal reaction is rare in the absence of a pathological fracture. Soft tissue extention may occur in as many as 50% of cases, sometimes crossing the joint via an extracapsular route. Some conditions such as aneurysmal bone cyst, chondroblastoma, and osteosarcoma may resemble GCT on plain-film radiographs and should be considered in the differential diagnosis.
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