由于聚合物改善了油、水流度比，所以能够控制注入液在（）中的前进速度。A、高渗透层 B
题型：单项选择题
问题：
由于聚合物改善了油、水流度比，所以能够控制注入液在（）中的前进速度。
A、高渗透层
B、低渗透层
C、高含水层
D、低含水层
题型：单项选择题
We are in a world full of competition. Our parents compete (竞争) with others in their offices, our brothers and sisters compete with others
in their colleges, and we compete with our classmates in school. Many of us give up in the face of competition and will never be successful. ①can’t, others, why, we, do, better, than One important reason is that we have no self-confidence (自信).
In fact, everyone is born equal. You can do what others do. Although your classmates may be better than you in some ways,
you may be better than them in other subjects. So everyone has his or her own advantages. Don’t look at things from a single (单个的) point of view. Try to discover your own advantages, and believe that you can do better than others in those ways.
Competition is not so terrible. Don’t be afraid of it. And don’t be afraid of those classmates who are better than you. ②Remember that self-confidence is the first step to success. Believe in yourselves, and you will be successful one day.
任务一:小题1: Are we li
ving in a world full of competition?
任务二: 小题2: How can you improve your self-confidence according to the passage?
任务三: 小题3: 将①处画线部分单词连成一个完整的特殊疑问句。
任务四: 小题4: 将②处画线部分译成中文。
任务五: 小题5: What’s the main idea of this passage?