题目内容

骨肉瘤

A. X线片示：骨端膨胀性溶骨性破坏
B. X线片示：短骨膨胀，有蜂窝状骨吸收区夹杂钙化斑块
C. X线片示：长骨干骺端骨破坏和日光射线现象，可有Codman三角
D. X线片示：骨膜板层状或葱皮状反应性骨形成和骨破坏
E. X线片示：白长骨干骺端突出的骨性病损

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Choose the appropriate headings for sections B-E from the list of headings below.List of Headingsi What is a novelii A predecessor of similar nameiii Modern variationsiv The romantic origins of the novelv Another precursorvi The romantic versus the socialvii Picaresque novelsviii Widely read but background relatively unknownix A well-known distinctionx The novel of incidencexi Three early types of novelxii The first novel Section C （）

Choose the appropriate headings for sections B-E from the list of headings below.List of Headingsi What is a novelii A predecessor of similar nameiii Modern variationsiv The romantic origins of the novelv Another precursorvi The romantic versus the socialvii Picaresque novelsviii Widely read but background relatively unknownix A well-known distinctionx The novel of incidencexi Three early types of novelxii The first novel Section D （）

某公司每年销售额为1000万元，变动成本率为70%，全部固定成本费用200万元，总资产500万元，资产负债率40%，贷款平均利率为8%，所得税税率40%。该公司拟改变经营计划，追加投资400万元，因而固定成本每年增加50万元，销售额增加20%，变动成本率降至60%。该公司是以提高权益净利率的同时降低复合杠杆系数作为改进经营汁划的标准。要求：分别计算在增资前后，企业的权益净利率；财务杠杆系数；经营杠杆系数；复合杠杆系数。

Questions 11～13 are based on the following conversation. You now have 15. seconds to read Questions 11～13. What does the man do

A taxi-driver.
B. A bus driver.
C. A policeman.
D. A tourist guide.