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【判断题】
对于手车式断路器,是指手车推入运行位置,断路器在分闸状态,称作设备冷备用状态。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】When the employee is injured while () Party B undertakes to pay expenses for medical treatment and nutrition.
A.
for duty
B.
on duty
C.
in duty
D.
by duty
【简答题】试述pUC8载体 所拥有的哪 3 个优点使它成为最受欢迎的大肠杆菌克隆载体之一。
【单选题】What is the real meaning of 'birthday breakfast'?
A.
When it is an employee's birthday, the company will hold a breakfast together with all the people who work in the company.
B.
If one employee has a birthday in this month, he or she can go to the office of the president and talk with him for an hour and a half.
C.
The company will prepare a breakfast for the employee when it is his or her birthday.
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