试题与答案

不能提高精馏塔顶冷凝器传热系数的措施是()。A、提高冷剂的流量 B、定期对冷凝器的管

题型:单项选择题

题目:

不能提高精馏塔顶冷凝器传热系数的措施是()。

A、提高冷剂的流量

B、定期对冷凝器的管程进行清洗

C、定期对冷凝器的壳程进行清洗

D、改变塔的操作压力

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0702/3810cb711674a4375a126fb0f2799e41.html

下面是错误答案,用来干扰机器的。

参考答案:解析:不符合规定。根据我国《会计法》的规定,各单位的会计处理方法前后各期应当保护一致,不得随意变更。该案例中,外商投资企业将正常使用设备的折旧方法由平均年限法改为双倍余额递减法属于随意变...

试题推荐
题型:完形填空

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中的两项为多途选项。

Swimming cycling, jogging, skiing, dancing, walking or any of dozens of other activities can help your heart.    小题1:  . Whether it is a structured exercise program or just part of your daily routine, all exercise adds up to having a healthier heart. Here are some tips for exercise success.

Choose activities that are fun and add variety. Develop several activities that you can

enjoy.  小题2:

Wear comfortable, properly fitted shoes and comfortable, loose—fitting clothing appropriate for the weather and the activity.

Find a convenient time and place to do activities.   小题3: . If you miss an exercise opportunity, work activity into your day another way.

Use music to keep yourself entertained.

 小题4:  Decide what kind of support you need. Do you want them to remind you to exercise? Exercise with you regularly or occasionally? Be understanding when you get up early to exercise? Spend time with the children while you exercise? Try not to ask you to change your exercise routine? Share your activity time with others. Ask your family members, friends or co—workers for help.

Don’t overdo it, especially at first. You can slowly increase the time and intensity (强度) of your activities as you become more fit.   小题5: 

Keep a record of your activities. Reward yourself at times. Nothing will inspire you more than success!

A.Try to make it a habit, but be flexible.

B.They all cause you to feel warm and breathe heavily without being out of breath.

C.Be an active role model for your children.

D.That way, exercise will never seem boring.E. If you are overweight or have a high risk of heart disease, see your doctor for medical advice before exercising.

F. Surround yourself with supportive people.

G. Gradually, work up to exercising on most days of the week for 30—60 minutes.

查看答案
微信公众账号搜索答案