题干

大数据显示,今年春节假期,平均每个用户每天花在手机上的时间接近4个小时,“指尖社交”让假期变成了手机上的忙碌,真正陪伴家人的时间明显偏少。手机的出现,本来是为了让沟通更便利,结果却使得人们更加孤独。这表明(  )

①量变积累到一定程度必然引起质变

②矛盾双方在一定条件下可以相互转化

③事物既有好的一面又有不好的一面

④新事物的发展总是充满各种各样障碍

A:①②

B:②③

C:①④

D:③④

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A

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    It is a Saturday morning.You have your breakfast,walk the dog,and then go to football practice on time.A few hours later,you return home,only to find that the dog has made your bedroom untidy.Your clothes are on the floor.____

    Before you get angry,you should stop and think.Your dog wasn't misbehaving(捣蛋)just for the fun of it.And he wasn't punishing(惩罚)you for leaving.____It's called separation anxiety(分离焦虑).

    Think of it this way:Dogs can't ask where you're going or when you'll back____ All they know is that they want to be with you.Since you're not there,they need to find you.Dogs may Suddenly develop separation anxiety.But with  practice and patience(耐心),you can teach your dog to be Comfortable being left alone.

    Put on your jacket,and then sit down.____After a while,walk out the door for 1 minute,then 2 and so on.Little by little your dog will learn that when you leave,you will return.

    ____

    ◎Teach your dog a word or that you use every time you leave,which tells your dog you'll be back

    ◎Before you leave,give your dog a toy.It will keep him busy while you're away.

根据材料内容从方框中选择恰当的句子填入文中空缺处,使材料内容完整、正确,其中有一个句子是多余的。

A.You can also try me following ways.

B.Your favourite sports shoes are in poor condition.

C.You'd better find someone to look after your dog.

D.They can't call you on the phone.

E.Open and close the door,and then sit down.

F.Some dogs just feel nervous when left alone.