问题 选择题

有机物A的结构简式是,它可以通过不同的反应得到下列物质:

B.                C.

D.         E.

下列说法错误的是(   )

A、有机物A生成B同时还生成水,发生的是酯化反应。

B、物质C生成A的反应也可以发生,C生成A是通过加成反应进行的。

C、有机物A生成D的反应是聚合反应,产物只有D。

D、有机物A生成E的反应是通过取代反应发生的

答案

答案:C

只要比较有机反应物和生成物发生变化部分原子或原子团,根据有机化学反应的特点。

阅读理解

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SWIMMING

2 pools- heated Olympic length. Tuition available.

Women: Tuesday and Thursday.

Men: Monday, Wednesday and Friday.

Children: Saturday

Family day: Sunday

GOLF

9 hole practice course. Professional Coaching. Lessons must be booked in advance in daytime. Evening practice. Minimum age — 9 years.

GYMNASTICS

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AND MUCH MORE

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小题1:What is this ad mainly about?

A.It mainly shows us some ways to spend weekends.

B.It mainly shows us a place to relax ourselves.

C.It shows the ways of saving our time.

D.It shows us a lot of ways to spend our holidays.小题2:Which of the following is TRUE according to this passage?

A.People can play tennis day and night.

B.Men and women swim in the SPORTS CENTER separately.

C.Children at any age can play golf in the SPORTS CENTER.

D.People under 20 can all take gymnastics.小题3:How many sports items are mentioned in the passage?

A.5

B.7.

C.9.

D.12.小题4:Where can we find this ad in your opinion?

A.In a company.

B.In a restaurant.

C.In a park

D.On a newspaper.

单项选择题