题目

对比是学习化学的重要方法,下列关于CO2与CO的比较,错误的是( ) A.CO2可用于人工降雨,CO可用于光合作用 B.通常情况下,CO2能溶于水,CO难溶于水 C.CO2无毒,CO易与血液中的血红蛋白结合引起中毒 D.一个二氧化碳分子比一个一氧化碳分子多一个氧原子 答案:【考点】6R:二氧化碳的用途;6P:二氧化碳的物理性质;6Q:二氧化碳的化学性质;6U:一氧化碳的化学性质;6V:一氧化碳的毒性. 【分析】A、根据二氧化碳的用途考虑; B、根据它们的溶解性考虑; C、根据二氧化碳和一氧化碳的性质考虑; D、根据分子中的原子构成考虑. 【解答】解:A、二氧化Learning how to be patient with people can be challenging for some. After all, not everybody is gifted with great patience. The good news is that it is something that can be learned and eventually perfected.When the customer before you takes ages to pay for his or her groceries, you tap your foot impatiently and cough every now and then; but no, the customer is still not hurrying up. It takes all of your power not to make a scene.  However, if you picture that customer to be someone you like (say your partner), then you will find yourself not getting too annoyed, right? So the next time you find yourself losing patience with somebody, simply visualize that person to be someone you really, really like and your patience will extend its life.The second step on how to be patient with people involves whistling. When you whistle a happy tune, you instantly cheer up. You can sing your favorite song if you can't whistle - it really doesn't make a difference. What's important here is that you have done something that makes you feel good. And when you feel good, you are more likely to be patient with the people around you.Next, when you're stressed, it's almost impossible to learn how to be patient with people. If you know you're going to be in a situation where your patience will be tested, meditate or get yourself a massage(按摩) first. Don't dive into anything unless you've managed to clear yourself off negative emotions. Remember: the more stressed you are, the faster you'll lose your temper. The less stress you have in your life, the longer your patience.Learning how to patient with people is not a necessity in life. You've seen people who manage to survive day to day with incredibly bad tempers after all. But do you really want to live like they do? If, however, you want a life that has better quality than that, then just follow these steps and embrace the fact that patience is a virtue. 【小题1】what does the underlined phrase in paragraph 2 mean?A.quarrel publiclyB.make something appearC.drive away D.feel happy【小题2】Which of the following can best summarize the topic of paragraph2?A.We should love everyone around us.B.Show your impatience when your customers aren’t in a hurry.C.Think of others fondly.D.To be patient is really difficult occasionally.【小题3】When you realized that your patience is being examined, you should________.A.it is possible to control it B.let it known by whoever you are facingC.do whatever you like and don’t care what others sayD.learn to relax yourself in a possible way【小题4】Which of the following statements is NOT true according to the text?A.We have to learn to be patient with others because it can benefit us.B.When you are under pressure, it is unavoidable to be impatient.C.Doing something that you like may make you feel good when you are impatient.D.Patience is a quality that can be improved.
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