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【单选题】
根据 ISO 标准,数控机床在编程时采用 规则。A.
刀具静止，工件运动
B.
工件静止，刀具运动
C.
按坐标系确定
D.
按实际运动情况确定
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反馈参考答案：
举一反三
【单选题】Make the best choice according to what you hear.
A.
The restaurant is very expensive.
B.
The restaurant offers quiet surroundings.
C.
The restaurant serves good food.
D.
The restaurant is too far from their school.
【单选题】Make the best choice according to what you hear.
A.
In the office
B.
At the train station
C.
At the airport
D.
In the meeting room
【单选题】Make the best choice according to what you hear.
A.
Young people don’t like their parents.
B.
Different generations hold different ideas.
C.
The world is changing faster than in the past.
D.
Parents like their children more than in the past.
【简答题】可编程序控制器是如何分类的?简述其特点。
【单选题】Make the best choice according to what you hear.
A.
At the bank.
B.
At the restaurant.
C.
At the post office.
D.
At the police station.
【单选题】Make the best choice according to what you hear.
A.
The woman and man are friends.
B.
The man has just been interviewed.
C.
The man likes the job he applies for.
D.
The woman has read the man’s application.
【多选题】病历摘要:患者，女性，25岁，头昏乏力半年多。血象特点：血红蛋白7g/L，红细胞2.0×10 /L，红细胞体积正常；网织红细胞数增多；白细胞计数及分类正常；血小板计数增高。初诊为溶血性贫血。
血管外溶血的特点（）
A.
脾肿大
B.
血红蛋白血症
C.
尿含铁血红素阳性
D.
血浆结合珠蛋白减少
E.
贫血、黄疸
【简答题】面向对象程序设计的特点有哪些?
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