随锅炉压力升高，饱和蒸汽的溶解携带量（）。 A.降低 B.不变 _爱下问搜题

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问题单项选择题

随锅炉压力升高，饱和蒸汽的溶解携带量（）。

A.降低

B.不变

C.升高

D.为零

答案

参考答案：C

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:

Topic 2:

Children’s Family Education

Topic 3:

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

Topic 4:

Topic 5:

Threats in the 21st Century

多项选择题

城市文物建筑和历史遗产保护的主要方式有恢复原状，整旧如新和（）。

A、迁移重建，修旧成新

B、仿古重修、焕然一新

C、保留旧貌、修缮翻新

D、保留遗迹，温故知新