问题
单项选择题
车床的负载强度测试目的在于检验车床主系统能否输出设计所允许的（）。
A、最大扭矩
B、功率
C、实际功率
D、最大扭矩和功率
答案
参考答案：D
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车床的负载强度测试目的在于检验车床主系统能否输出设计所允许的（）。
A、最大扭矩
B、功率
C、实际功率
D、最大扭矩和功率
参考答案：D
| Choose the word or expression from the box to replace the underlined part in each sentence. (从方框内选择与划线部分意思最接近的单词或短语，用A，B，C…或G等表示。) | |
( )2．Do you know who invented the watch? ( )3．That woman can calculate numbers like lightening. ( )4．He is really a very tough guy and we are all afraid him. ( )5．Our English teacher is really very popular among us. We all like her so much. ( )6．We all know that we needn't wear trainers today. |