下列叙述正确的是（）。 A．从1960年起，该省的人口自然增长率一直处于上升之中 B

股份报价转让与现有代办股份转让系统的股份转让和证券交易所市场股票交易的不同之处在于( )。

A．挂牌公司属性不同

B．转让方式不同

C．信息披露标准不同

D．结算方式不同

与原发性肝癌的发生关系最密切的是（）

A.胆道感染

B.肝炎后肝硬化

C.血吸虫病性肝硬化

D.酒精性肝硬化

E.肝良性肿瘤

患者女性，60岁，因“腰痛1年余，头晕乏力6个月”来诊。患者51岁停经。查体：身高较年轻时变矮2cm，腰椎广泛压痛、叩击痛，前屈活动受限，双下肢肌力、肌张力、末梢血液循环及感觉均正常。骨密度检查：骨质疏松。X线片：颅骨多发穿凿样改变。

确诊依据是（）

A.HLA-B27

B.腰椎MRI

C.腰椎CT

D.腰椎X线片

E.骨髓活检

The demand for oil is more inelastic in the short-run than the supply of oil, but it is not perfectly inelastic. Based only on this factor, if the government imposes a $ 5.00 per barrel tax on oil producers :（）

A. The incidence of the tax will fall most heavily on oil producers, because the tax is imposed directly on them.

B. The incidence of the tax will be split between oil producers and oil consumers, with most of the tax being paid by oil producers.

C. The incidence of the tax will be split between oil producers and oil consumers, with most of the tax being paid by oil consumers.

慢性支气管炎典型病变中没有

A．黏膜上皮鳞化
B．支气管腺体和杯状细胞增生
C．支气管内有多量泡沫细胞
D．支气管壁有炎性细胞浸润
E．黏膜下平滑肌断裂、萎缩