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本课程起止时间为:2020-02-17到2020-06-12
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1、 问题:Part I: Choose from the following groups of words the one you hear. Each of the words will be read once only.
选项：
A:feel
B:fell
C:fill
D:fail
答案: 【fill】 点我阅读全文
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本课程起止时间为:2020-03-02到2020-06-30
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1、 问题:Section D Directions: Read the following text about children’s curiosity. For questions 41-45, choose the answer (A, B, C or D) which you think fits best according to the text. Share Children’s Curiosity Children start out as natural scientists, eager to look into the world around them. Helping them enjoy science can be easy; there’s no need for a lot of scientific terms or expensive lab equipment. You only have to share your children’s curiosity. Firstly, listen to their questions. I once visited a classroom of seven-year-olds to talk about science as a job. 点我阅读全文
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本课程起止时间为:2020-02-24到2020-06-30
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1、 问题:男，72岁，赏雪时摔倒，髋部疼痛不能站起，右手腕部疼痛、变形。经检查发现股骨颈和桡骨远端均骨折。请从解剖学角度分析该患者为什么容易发生骨折？
评分规则: 【 骨的化学成分由有机质和无机质构成。成年人骨的有机质和无机质的比例约是3:7，最为合适，具有较大的硬度和一定的弹性。
该患者为老年人，骨的有机质成分比例减少，无机质比例增多（有机质和无机质的比例可达到1:3），脆性增大。受激素等水平改变的影响，老年人钙磷吸收下降，骨组织减少并呈多孔性，故老年人易骨折。
其中，股骨颈较细，桡骨远端近侧2-3cm部骨质薄弱，均是受伤时容易发生骨折的部位。
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