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【判断题】
采样的目的是从被检的总体物料中取得有代表性的样品，从而求得被检物料的某一或某些特性的平均值及其变异性。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Conversation 2: Questions 6-10 are based on Conversation 2.What is the conversation mainly about？
A.
Changes that will be made in food choices offered to students.
B.
Food-safety procedures followed by the cafeteria staff.
C.
Issues related to the cafeteria’s food policy.
D.
Common complaints about the food served in the cafeteria.
【简答题】安全套层SSL协议是在网络传输过程中，提供通信双方网络信息的 性 和 性，由 和 两层组成。
【单选题】Conversation two Conversation 2.mp3:
A.
Seeking the middle ground in the labor dispute.
B.
Making employees happy without affecting productivity.
C.
Changing one’s own attitudes towards the matter quietly.
D.
Experiencing with alternative approaches to the matter.
【单选题】Conversation two Conversation 2.mp3:
A.
Fellow employees.
B.
Employer and employee.
C.
Lawyer and client.
D.
Co-producers.
【单选题】Conversation Two conversation2.mp4
A.
She pays a lot for rent.
B.
She spends about 100 RMB on food every month
C.
She spends a lot on new dresses.
D.
She spends a lot in pubs.
【简答题】SSL 协议是在 ____________ 提供安全保护的协议 。 SSL 协议可提供以下 3 种基本的安全功能服务: ____________ 、 ____________ 、 ____________ 。
【单选题】Conversation Two conversation2.mp4
A.
Clothing.
B.
Travel.
C.
Football matches
D.
Beer in pubs.
【单选题】Conversation Two conversation2.mp4
A.
To spend less on beer.
B.
To spend less on sports.
C.
To watch fewer football matches
D.
To go bankrupt.
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