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问题
单项选择题 A1型题
克罗恩病的常见肠外表现不包括()
A.关节症状
B.口腔表现
C.皮肤改变
D.肝胆病变
E.肾脏损害
答案
参考答案:
E
补全对话,情景问答
给下列的问句选择答语。
( ) 1. Where are you going?
( ) 2. What do you want to do?
( ) 3. Can a cow fly?
( ) 4. How's the weather?
( ) 5. What do tigers eat?
A. The weather is hot.
B. Tigers eat meat.
C. To the restaurant.
D. No, it can't fly.
E. I want to buy a new dress.
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选择题
两个完全相同的电热器,分别通有如图所示的交变电流,则它们的功率之比为( )
A.4:1
B.1:
C.2:1
D.
:1
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