一个阻值为R的电阻两端加上电压U后，通过电阻横截面的电量q随时间t变化的图象如图所示，此图象的斜率可表示为（   ）

阅读理解

    There was a small river near Xue Yong's town．It went through several villages．The water was clean and there were lots of fish in it．

    Women would like to wash clothes along the river．It was a good place for them to talk about interesting things in their daily(日常的)life．Xue Yong liked eating noodles．So his mum often asked questions about how to cook noodles with different vegetables when she washed clothes there．

    It was also a good place for children．They caught fish and played water games there．At that time，Xue Yong had a small black dog．Every time he caught fish in the river,the dog followed(跟着)him．A fish was a good present for its work．

Now,Xue Yong lives in a city with his parents．

4.．They are interested in his town．Last Friday,Xue Yong and his parents watched a programme about some towns．Their town was one of them．

根据材料内容选择最佳答案。

根据短文内容，从下面方框中选择适当的词或词组填空。                       

     Chinese kung fu has already taken the central stage in the sports world.____ foreign pioneers are starting to learn it. They____ it because kung fu can nurse a person’s body and mind. By practicing it, people can find the peace from the heart and they can face the world more bravely____ . There are lessons for kids between 5 and 16 in more and more foreign Chinese kung fu schools. Kung fu can____ children's self-confidence. At the same time, they can learn to____ difficult situations with bad strangers.

多音字组词。

载 zài  ____                 zǎi  ____