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问题
不定项选择
对除锈等级有影响的因素包括:()。
A.使用环境
B.选用涂料
C.被保护金属
答案
参考答案:A, B
补全对话,情景问答
Read and match. 小猫钓鱼。(连线)
( )1. Where is it?
( )2. How’s the weather?
( )3. How tall is she?
( )4. What time is it?
( )5. When is your birthday?
A. It's cloudy.
B. She’s 1.6 metres tall.
C. August fifth.
D. It’s beside the chair.
E. lt's eight o'clock.
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单项选择题
二进制数110101转换成十进制数是______。
A.52
B.53
C.62
D.63
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