关于我国西北地区地理特征的叙述，正确的是（　　）

关于秦汉时代人们对“天”的认识，下列理解符合原文意思的一项是（    ）

阅读理解

　　 Jeff Keith has only one leg. When he was 12 years old, Jeff had cancer. Doctors had to cut off most of his right leg.

       Every day Jeff puts on an artificial leg. With the plastic artificial leg, Jeff can ride a bicycle, swim, and play soccer. He can also run.

Jeff made a plan with his friends who had plastic legs, too. They decided to run across America.

      When he was 22 years old, Jeff Keith ran across the United States from the east to the west. He started running in Boston. Seven months later, he stopped running in Los Angeles. He ran 3, 200 miles. Jeff stopped in cities on the way to Los Angeles. In every city people gave Jeff money. The money was not for Jeff, but for the American Cancer Society.

        Jeff is disabled, but he can do many things. He is studying to be a lawyer. Jeff says, “People can do anything they want to do. I want people to know that I ran not only for disabled people, I ran for everybody. ”

①奉法者强则国强，奉法者弱则国弱     ②大道之行，天下为公

③苟利国家生死以，岂因祸福避趋之     ④厚德载物，道济天下

    Mrs. Brown is  a ____(Canada) teacher in a middle school. She t____English. She often helps her students ____ their study. Also, some ____(foreigner)children can talk with her ____(practice) English online.

    Li Yan, a girl from China learns much____Mrs. Brown. She is ____(excite) these days because she won first p____ in the English competition last week. She ____(real)improved a lot. When Mrs. Brown knew this, she was ____pride) of her. She believes Li Yan can do better.