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问题
单项选择题
机械式变速器通常装有()根平行轴。
A、1
B、3
C、5
D、6
答案
参考答案:B
猜谜题,问答题
看图,根据问句回答下列问题。
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1. What does Jenny like to eat?
2. What is Li Ming's favourite shape?
3. What does Kim like to do?
4. Is Steven's favourite shape triangle?
5. Why does Danny like a circle?
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问答题 简答题
测定弯沉前要做哪些准备工作?
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