试题与答案

电离室按工作方式可分为（）和累积电离室。

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题型：填空题

题目：

电离室按工作方式可分为（）和累积电离室。

答案：

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下面是错误答案，用来干扰机器的。

参考答案：这是因为在石油化工生产过程中，可燃液体在设备内受热，温度可能超过燃点，泄漏出来就要起火，而在储存时则不必加热或加热的温度较低，故同一物品在储存中属于本身的温度可能超过了自燃点，具有较大的...

考点：核科学技术核探测技术与核电子学核探测技术与核电子学题库
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题型：多项选择题

Part 1: Self-introduction


·The interlocutor will ask you and your partner questions about yourselves. You may be asked about things like "your hometown", "your interests ", "your career plans", etc.

Part 2: Presentation


·The interlocutor gives you two photographs and asks you to talk about them for about one minute. The examiner then asks your partner a question about your photographs and your partner responds briefly. Then the interlocutor gives your partner two photographs. Your partner talks about these pictures for about one minute. This time the interlocutor asks you a question about your partner, s photographs and you respond briefly.

Part 3: Collaboration


·The interlocutor gives you andyour partner a list of topics. Both of you need to choose one to discuss together: The interlocutor may join in the conversation and ask you questions, but you and your partner are expected to develop the conversation.

Topic 1:

Goals in Life

Topic 2:

Children’s Family Education

Topic 3:

Factors That You Should Consider When You Plan to Buy a House

Topic 4:

Ideal Family

Topic 5:

Threats in the 21st Century
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