依次填入下列各句横线处的成语，最恰当的一组是（    ）

①对于那些不讲理，违反中国法律法规和制度的老外，我们应与中国人，必须依法处理，绝不能姑息。

②新买住房配套设施费到底该不该缴的问题始终困扰着广大购房者，相关部门认为：该不该缴不可。记者对此展开了深入的调查。

③不应该将这次股市波动的情况与18年前的亚洲金融风暴，因为目前的亚洲经济体的金融监管能力大大提高，并已汲取1997年金融危机的教训。

两条直线相交成____°时，这两条直线叫做互相垂直

温度高的物体把内能传递给温度低的物体的过程叫做热传递．在热传递过程中，传递的内能的 ____叫做热量，热量的单位是 ____；在这个过程中，温度高的物体 ____（选填“放出”或“吸收”）热量，内能 ____（选填“增加”、“减少”或“不变”）．

选择正确答案

     A dog is walking along a road. It is a big dog. It is carrying a piece of meat. The piece of meat is in the dog's mouth. The dog is walking across a bridge now.There is water under the bridge. The water is very deep. The dog is looking into the water. It can see a dog in the water. This dog has a piece of meat in its mouth, too. The big dog is barking at the dog in the water. It wants its piece of meat, too. The big dog's piece of meat is falling into the water.