下列用电器中，利用电流热效应工作的是（　　）

                                                                                                      出师表
         臣本布衣，躬耕于南阳，苟全性命于乱世，不求闻达于诸侯。先帝不以臣卑鄙，猥自枉屈，三顾臣于草庐之中，咨臣以当世之事，由是感激，遂许先帝以驱驰。后值倾覆，受任于败军之际，奉命于危难之间，尔来二十有一年矣。
        先帝知臣谨慎，故临崩寄臣以大事也。受命以来，夙夜忧叹，恐托付不效，以伤先帝之明，故五月渡泸，深入不毛。今南方已定，兵甲已足，当奖率三军， 北定中原，庶竭驽钝，攘除奸凶，兴复汉室，还于旧都。此臣所以报先帝而忠陛下之职分也。至于斟酌损益，进尽忠言，则攸之、祎、允之任也。

商代统治者凡事都要通过占卜予以决定，这一现象说明我国早期古代政治制度的一大特点是（  ）

根据短文内容，从A、B、C、D四个选项中 选择最佳答案填空。

    My name is Jim White. I 1 a schoolboy. My school is 2 my home. Every day, it takes me 3 to get there. The road is not 4. So I can't go to school 5. I often get there by bus or 6. It takes me thirty 7 to get there by bus and an hour on foot. I must get up very early every morning. I have no time 8 breakfast at home. I often have something for breakfast 9 or on the bus. I don't want to 10 school. So sometimes I run to school.