简述减免税总结报告内容。

以下不属于产力的是（）。

A.子宫收缩力

B.腹压

C.坐骨海绵体收缩力

D.肛提肌收缩力

E.腹肌的收缩力

已知柠檬醛的结构简式为(CH₃)₂C=CHCH₂CH₂CH=C(CH₃)CHO。根据学过的知识判断下列说法不正确的是

A．它可使酸性高锰酸钾溶液褪色

B．它能使溴水褪色

C．它可与银氨溶液反应

D．若催化加氢，最终产物是C₁₀H₂₀O

微生物按对培养温度的不同要求，所用的大多是（）

A、低温型

B、中温型

C、高温型

D、根据情况而定

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 and your 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:

Importance of Good Living Habits

Topic 2:

What Makes a Happier Life, Wealth or Health

Topic 3:

Advantages of weeklong Holidays

Topic 4:

TV Commercials

Topic 5:

Keeping Pets

气焊停止时应先关乙炔阀后关氧气阀。