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问题 单项选择题

十六进制数IA2H对应的十进制数是

A．418

B．308

C．208

D．578

答案

参考答案：A

解析： 十六进制数转换成十进制数的方法和二进制一样，都是按权展开。

补全对话，情景问答
给下列的问句选择合适的答语。
( ) 1. What's your favourite day?
( ) 2. What's your art teacher like?
( ) 3. Where is the trash bin?
( ) 4. Is there a cat under the tree?
( ) 5. Can you do the dishes?		A. She is pretty.
B. No, there isn't.
C. No, I can't.
D. It's near the door.
E. Sunday is my favourite day.
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单项选择题 共用题干题

母亲带1岁男孩来院体检，经检查该患儿体格发育正常。

体重约可达（）。

A.6～7kg

B.7～8kg

C.9～10kg

D.13～14kg

E.15～16kg
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