阅读下面短文，掌握其大意，然后从36—55各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上涂黑。
You wake up in the morning, the day is beautiful and the plans for the day are what you have been looking forward to for a long time．Then the 36 rings, you say hello, and the drama starts．The person on the other 37 has a depressing （令人沮丧的） tone in his voice as he starts to tell you how 38 his morning is and that there is nothing to look forward to．Are you 39 in a wonderful mood? Impossible!
Communicating with negative people can wash out your 40 ．It may not change what you think, but doing this long enough with them will make you 41 depressed for a moment or a long time．
Life brings ups and downs, but some people 42 the wrong idea that life has no happiness to offer．They
