情景阅读。阅读短文，回答问题。

   我们快乐的生活

     Hello, I' m Tom. I'm a student. Today is Monday. It is sunny. I get up at 6:00 in the morning. Then I clean my room and wash my face. I have noodles for breakfast at about 6:30. I go to school at 7:00. I do morning exercises at 7:40. We always start class at 8: 00. We have three classes in the morning. At l2:00, I go home for lunch. I have some vegetables and meat for lunch. We have three classes in the afternoon. We have computer class and art class. I like them very much. I go home at 5:30. I do my homework after school. My sister, my brother and l watch TV at 8:00 in the evening. Then I wash my face and brush my teeth. I go to bed at l0:00.

 ---I am going to take this summer holiday in Taiwan.　

---Oh, really? Taiwan is ______ a beautiful island that ______ people in Guangdong go to visit it every year. 

不等式x+3y-1<0表示的平面区域在直线x+3y-1=0的（     ）

下列有关热机效率、燃料热值、物体内能的说法中，正确的是（   ）