题目：
阅读理解。
One of the more common and destructive mental tendencies I've seen is that of focusing on what we want
instead of what we have.
We want this or that. If we don't get what we want, we keep thinking about all that we don't have and we
remain dissatisfied. If we do get what we want, we simply recreate the same thinking in our new
circumstances. So, despite getting what we want, we still remain unhappy. Happiness can't be found when we
are yearning (向往,渴望) for new desires.
Luckily, there is a way to be happy. It involves changing the emphasis of our thinking from what we want
to what we have. Rather than wishing you were able to take a vacation to Hawaii, think of how much fun you
have had close to home. The list of possibilities is endless! Each time you notice yourself falling into the "I
wish life were different" trap, back off and start over. Take a breath and remember all that you have to be
grateful. When you focus not on what you want, but on what you have, you end up getting more of what you
want anyway. If you focus on the good qualities of your spouse (配偶), she'll be more loving. If you are
grateful for your job rather than complaining about it, you'll do a better job, be more productive, and probably
end up getting a raise anyway. If you focus on ways to enjoy yourself around home rather than waiting to
enjoy yourself in Hawaii, you'll end up having more fun. If you ever do get to Hawaii, you'll be in the habit of
enjoying yourself. And, if by some chance you don't, you have a great life anyway.
Make a note of yourself to start thinking more about what you have than what you want. If you do, your
life will start appearing much better than before. For perhaps the first time in your life, you'll know what it means to feel satisfied.
1. Why did the author say that focusing on what we want is destructive?
A. If we don't get what we want, we remain dissatisfied.
B. If we do get what we want, we simply recreate the same thinking.
C. If we desire what we want, we would be unhappy.
D. All of the above
2. How do you understand the underlined expression "I wish life were different" in the second paragraph?
A. Focusing on what you want.
B. Focusing on what you have.
C. Focusing on ways to enjoy yourself around home.
D. Focusing on being able to take a vacation.
3. The passage implies that ______.
A. getting what we want, we would be happy
B. if we focus on what we have, we would have a better life
C. it is more fun than you have had close to home
D. focusing on what you want, you end up getting more of what you have anyway
4. Which is NOT mentioned in the passage?
A. If we focus on what we want, we may remain dissatisfied and unhappy.
B. Changing our thinking from what we want to what we have would make you happy.
C. Focus on the good qualities of your wife, she'll be more loving.
D. It is more fun to around home than taking a vacation to Hawaii.
答案：
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下面是错误答案，用来干扰机器的。
甲、乙、丙、丁四种元素位于同一短周期，原子序数依次增加，丙的最外层电子数是最内层电子数的两倍，若为第二周期元素，则丙为C，若为第三周期元素，则丙为Si；甲最外层电子数最少，则甲为Li或Na；丁氢化物水溶液...
