（考试版+答案）-Unit 4 Global warming学易试题君之单元测试君2019-2020学年高二英语人教版选修6

2019-2020学年高二英语人教选修6 Unit 4单元检测· 注意事项： 1. 答卷前，考生务必将自己的姓名、准考证号填写在答题卡上。 2. 回答选择题时，选出每小题答案后，用铅笔把答题卡上对应题目的答案标号涂黑。如需改动，用橡皮擦干净后，再选涂其他答案标号。回答非选择题时，将答案写在答题卡上，写在本试卷上无效。 3. 考试结束后，将本试卷和答题卡一并交回。 第一部分 阅读理解(共两节，满分40分) 第一节 (共15小题；每小题2分，满分30分) 阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。 A Imagine you are at a cafe in the United States. The server walks toward you and asks the following question: Did you want cream for your coffee? Why do some Americans use the past tense when they are talking about the present? Simple Past Tense The simple past tense is used for actions or situations that happened in the past. These actions or situations are finished. For example, you might hear a person say, "Did you have a good weekend?"The traditional use of the simple past tense is this: to note complete actions or situations in the past. Simple Past Tense with "want" and "need" However, there are exceptions. For example, in conversation, Americans often use the simple past tense of the verbs want or need even though they are asking a question about the present. Let’ s go back to the American cafe. You might hear a conversation like this: Server: Did you want cream for your coffee? Customer: No thanks! Server: Did you need more water? Customer: Yes, please! In the conversation, the server uses the simple past tense when asking questions. So, why did the server use the simple past tense instead of the present tense? Culture and Grammar In American culture, it is often considered polite to speak indirect. One was some Americans speak indirectly is by using a past tense verb when asking about a present desire. Americans do this by using the construction did + want and did + need. However, speakers do not answer such questions in the simple past tense. The answer usually comes in the verb forms that you would expect—a simple present, present progressive or future tense verb, for example. 1. What is the main use of the simple past tense? A. To express politeness to people. B. To communicate with customers