问题 解答题

随着教育改革的不断深入,素质教育的全面推进,某市中学生利用假期参加社会实践活动的越来越多.王伟同学在本市丁牌公司实习时,计划发展部给了他一份实习作业:在下述条件下规划出下月的产量.假如公司生产部有工人200名,每个工人每2小时可生产一件丁牌产品,每个工人的月劳动时间不超过192小时,本月将剩余原料60吨,下个月准备购进300吨,每件丁牌产品需原料20千克.经市场调查,预计下个月市场对丁牌产品需求量为16000件,公司准备充分保证市场需求.请你和王伟同学一起规划出下个月产量范围.

答案

16000≤x≤18000.

题目分析:下个月的产量为x件,根据“劳动时间”和“预计下月市场对J牌产品需求量为16000件”可列不等式组求解.

试题解析:设下个月的产量为x件,根据题意得

解得:16000≤x≤18000

答:下个月的产量不少于16000件,不多于18000件.

考点: 一元一次不等式组的应用.

阅读理解

阅读短文,选择正确答案。

    We are all called upon to make a speech at some point in life, but most of us don't do a very good job. This

article gives some suggestions on how to give an effective speech.

    So, you have to give a speech and you're terrified. You get nervous, you forget what you want to say, you

stumble over words, you talk too long, and you bore your audience. Later you think, "Thank goodness, it's

over. I'm just no good at public speaking. I hope I never have to do that again." 

    Cheer up! It doesn't have to be that bad. Here are some simple steps to take the pain out of speech making.

Ask yourself the purpose of your speech. What is the occasion? Why are you speaking? Then, gather as many

facts as you can on your subject. Spend plenty of time doing your research. Then spend plenty of time

organizing your material so that your speech is clear and easy to follow. Use as many examples as possible, and

use pictures, charts, and graphs if they will help you make your points more clearly. Never forget your audience.

Don't talk over their heads, and don't talk down to them. Treat your audience with respect. They will appreciate

your thoughtfulness. 

    Just remember: be prepared. Know your subject, your audience, and the occasion. Be brief. Say what you

have to say and then stop. And be yourself. Let your personality come through so that you make

person-to-person contact with your audience. If you follow these simple steps, you'll see that you don't have to

be afraid of public speaking. In fact, you may find the experience so enjoyable that you volunteer to make more

speeches! You're not convinced yet? Give it a try and see what happens.

1. The main idea of this article is _______. [ ]

A. you can improve your speaking ability   

B. a poor speaker can never change   

C. always make a short speech   

D. it is hard to make a speech

2. Paragraph 2 implies that _______. [ ]

A. many people are afraid of giving a speech   

B. many people are happy to give a speech   

C. many people do not prepare for a speech   

D. many people talk too long

3. The phrase "talk over their heads" means ________. [ ]

A. speak too loudly   

B. look at the ceiling   

C. look down upon them   

D. use words and ideas that are too difficult

4. All of the following statements are true except that _______. [ ]

A. few people know how to make good speeches   

B. a lecturer does not need to organize his speech   

C. research is important in preparing a speech   

D. there are simple steps you can take to improve your speaking ability

5. The title for this passage may be _______. [ ]

A. Do Not Make a Long Speech   

B. How to Give a Good Speech   

C. How to Prepare for a Speech   

D. Try to Enjoy a Speech

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