试题与答案

某商店预备在一个月内分批购入每张价值为20元的书桌共36台,每批都购入x台(x是

题型:解答题

题目:

某商店预备在一个月内分批购入每张价值为20元的书桌共36台,每批都购入x台(x是正整数),且每批均需付运费4元,储存购入的书桌一个月所付的保管费与每批购入书桌的总价值(不含运费)成正比,若每批购入4台,则该月需用去运费和保管费共52元,现在全月只有48元资金可以用于支付运费和保管费.

(1)求该月需用去的运费和保管费的总费用f(x);

(2)能否恰当地安排每批进货的数量,使资金够用?写出你的结论,并说明理由.

答案:

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     While it can seem almost impossible to get rid of stress from your life, some simple steps can make

you more easily to face it.It is important to develop a lifestyle that is in line with your values, beliefs and

attitudes.If you value family time, make the time to spend with the family.Likewise, if one of your values

is good health, make the time to exercise.

     Preventing stress need not be as hard as you think.Here are a few simple strategies that you may like

to incorporate into your life.They may just help your life to be a little simpler and less stressful.

     1. Dance

     Get your body moving.Whether you do a waltz, jive, salsa or contemporary dance, as long as you

have comfortable shoes, dancing is a great way to both get fit and reduce stress.Exercise_of_any_kind

_releases_some_kind_of_chemical_substances_into_your_body_system_and_these_are_good_friends_

your_body_needs_to_maintain_good_mental_health.So get moving and feel great.

     2. Sing

     Sing along in the car.Singing like dancing releases builtup tension in the body.Let it all out.Sometimes

a good sing along is as good as yelling or screaming________.

     3. Learn to say no

     Only say yes to something after you have considered both options.If you do not consider both options

then chances are that you are only saying yes out of fear of the consequences of saying no.Next time you

are asked something, think before you answer.If you need to get some practice in saying no, why not say "Let me think about that, and I will get back to you."?This way you can think about it and if you feel like

saying yes you can.

     4. Get a life coach

     This will help you to set goals and keep you on track to achieve them.A life coach is also a

cheerleader, teacher and someone who will hold you accountable to your actions.

     5. Cry if you want to

     Tears can help the body to release tension.Sometimes all we need is a good cry to feel better.

     6. Plan your own time

     Schedule time that is not allocated for any activity and use it to do whatever you want.Do not feel

guilty if all you want is a sleep.Watch a movie, read a trashy magazine and chat on the phone with a

friend.Whatever you want to do is fine.

1. What is the best title of the passage?(within 10 words)

________________________________________________________________________

2. Which sentence in the passage is the closest in meaning to the following one?

You are possibly to say yes just because you are not sure if you say no what will happen, if you don't 

think through.

________________________________________________________________________

3. Fill in the blank with proper words.(within 5 words)

________________________________________________________________________

4. Give another tip that you think is useful to reduce stress and give your reason.(within 20 words)

________________________________________________________________________

5. Translate the underlined sentence into Chinese.

________________________________________________________________________

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