题干

下列关于工业生产的说法正确的是(  )


A:在侯氏制碱工业中,向饱和氯化钠溶液中先通二氧化碳,后通氨气

B:在硫酸工业、合成氨工业、硝酸工业中,皆采用循环操作提高原料利用率

C:在氯碱工业,电解槽一般用铁网作电极

D:合成氨工业用天然气造气的方法中,与水蒸汽高温反应优于热分解法

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B,D

同类题5

任务型阅读

    It seems that there is never enough time in the day. But,since we all get the same 24 hours,why is it that some people achieve much more than others?____.

Keep a to-do list.

    You should have a reminder system to tell you when you need to do what.____Carry a pen andpaper wherever you go and write down the things you need to do, including appointments and deadlines.

Set goals.

    Set yourself specific goals,and make sure that they are realistic. To do this, you first need to examine your present situation and assess(判断)which goals are important to you. Have a secondary route to your goals in case you have to change your plans.

Break down (分解)tasks.

    Break goals down into different parts so that you can accomplish them one step at a time____Try to complete one task before you go on to the next.

Organize your time.

    ____A good way to do this is to record everything you do for a week in detail and then examine your record to see how you use or waste your time.

____

    Keep your work space tidy so that you can work efficiently - it's hard to work if things you need to find are buried under a pile of paper! Work to schedule (为...安排时间)so that you can meet deadlines in good time - don't leave everything until the last minute.

A Develop a regular work order.

B. Make a detailed plan.

C. The best time to do something is usually NOW.

D. The answer lies in good time management.

E. Don't try to remember everything in your head.

F.Write these steps down, and try to be as detailed as you can when you do this.

G. Identify areas of your life where you are wasting time and try to reduce them.