题干

空气能热水器以其安全实用、经济环保等特点,受到越来越多消费者的关注和青睐;它利用“逆卡诺”循环原理,以制冷剂为媒介,通过压缩机的做功,实现热能由低温物体向高温物体的“搬运”,从而将空气中的热能转移至冷水中,并能使水获得高于压缩机消耗能量的热能.若水从空气中吸收的热量为Q,压缩机消耗的电能为W,通过热交换使水吸收的热量为Q,有Q=Q+W.已知某型号的空气能热水器一台电功率为1800W,工作1小时能将150kg的水从15℃加热到55℃时,已知水的比热容为4.2×103J/(kg•℃),求:
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                                                                                                 Love and Friendship

    They are both so much related to each other. And both are so dissimilar!. What are the difference between friendship and love? Is platonic(柏拉图式的) friendship possible between persons of the opposite sex? Let us try and understand.

    What is friendship? Why do we call a person our friend? When do we call someone a very good friend? If we care for a person, if we are always ready to help that person and if we share most of our thoughts with a person, they are our good friends. ____ We are always sure that our friends will underst and why we acted in a certain way. 

____ The friendship is so deep and the relationship is so intimate, that most of the things automatically understood by our friends.

____ In a relationship of deep love, all the sharing that we discussed above is taken for granted. But love transcends(超出)all this. During love, we are attached with a particular person, while in friendship, one many have many friends. A loving relationship makes one so much attached to the other that one gets pained if his/her beloved is hurt! Love also involves a physical element.

____ This is a vital difference . Nature gives us love so that the species can go forward. Nature does not give us friendship.

Your heart beats will never increase in anticipation of meeting your friend. ____ You will not feel totally lost if you don’t meet your friend for a few days. You will not have dreams in your eyes thinking about your friendship.

A.You will not lie awake at night thinking about your friend.

B.What about love?

C.My answer is “Yes!”

D.Friendship does not have that.

E.We need not explain anything to our very good friends.

F.We can always count upon our good friends in an emergency.

G.The physical element may include hand in hand while walking.