问题
单项选择题 A1/A2型题
患者，男性，22岁，近1周来无明显诱因出现四肢对称性紫癜，略突出皮面，瘙痒。该患者出现紫癜最可能的机制是（）
A.血管异常
B.血小板数量不足
C.血小板功能低下
D.维生素K1缺乏
E.抗凝物质增多
答案
参考答案：A
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患者，男性，22岁，近1周来无明显诱因出现四肢对称性紫癜，略突出皮面，瘙痒。该患者出现紫癜最可能的机制是（）
A.血管异常
B.血小板数量不足
C.血小板功能低下
D.维生素K1缺乏
E.抗凝物质增多
参考答案：A
| 完形填空。 | ||||
| Homesick is a compound (复合的) word made up of HOME and SICK. You know what each 1 means on its own, of course. But do you know the meaning 2 they are used together? The definition (定义) of homesick is SICK FOR HOME. It means you miss your home. Now think for a minute 3 SEASICK. If you change the word HOME in the definition to the word SEA, would the definition 4 SEASICK? Does seasick mean SICK FOR SEA? It means something quite 5 . Seasick means SICK BY THE MOVEMENT ON THE SEA. When you are 6 , the only place you want to be is at home. When you are seasick, 7 you want to be is at sea. Have you ever 8 a person being heartsick? Heartsick doesn't mean that something is wrong with a person's heart. People are heartsick when they are 9 deep inside as if (好像) their hearts are broken. And we also have other compound words, such as handshake and 10 . Perhaps you may write definitions for them. It must be helpful to know something like this in your English study. | ||||
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