问题
单项选择题 A2型题
一患者，皮肤黄染不断加深，身体日渐消瘦，大便持续变白，碱性磷酸酶增高。应考虑的疾病是（）
A.肝硬化
B.胰头癌
C.肝癌
D.病毒性肝炎
E.胆石症
答案
参考答案：B
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一患者，皮肤黄染不断加深，身体日渐消瘦，大便持续变白，碱性磷酸酶增高。应考虑的疾病是（）
A.肝硬化
B.胰头癌
C.肝癌
D.病毒性肝炎
E.胆石症
参考答案：B
Many animals use some kinds of language .They use signals (信号) and the signals have meaning , For example, When a bee has found some food , it goes 21 its home .It is 22 for a bee to tell 23 bees where the food is by speaking to 24 ,but it can do a little dancing .This tells the bees where the food is and 25 it is . Some animals show how they feel by making sounds . It is not difficult to tell that a dog barks (吠) 26 it is angry .Birds make several different sounds .and 27 has its own meaning . Sometimes we humans make sounds , 28 we make sounds like OH or OUCH to show we feel about something or when we 29 something on our feet. We humans have languages. We have words .These words have the meaning of things actions (行动)，feeling or ideas .We are able to give each other information by writing down words .in this way , we can 30 what has happened or send the messages to people far away.
C.In the same way D.By the different way
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