Answer the following questions according to the text1、What is a signal?
A signal is any physical variable whose magnitude or variation with time contains information.
举一反三
- reading：a. Answer the following questions according to the Passage.5. What is the function of facial makeup?
- reading：a. Answer the following questions according to the Passage.2. What are the characteristics in Beijing Opera?
- Skim the text and answer the following questions. 1) What type of writing is the text?
- Choose the best answer for each of the following questions according to Text B. Whichis not mentioned as a merit that the Internet brings to people in the first paragraph?
- Task 1 Answer the following questions according to the passage. 1. Where does the writer most probably live?
内容
- 0
Choose the best answer for each of the following statements or questions according to the text._
- 1
Choose the best answer to each of the following questions according to the information contained in the listening passage. 1. What should you do when you are traveling abroad according to the speaker?
- 2
read the text and answer the questions according to the text：10、她为什么不在宿舍学习？[img=1268x480]180339ad46a06eb.png[/img]
- 3
read the text and answer the questions according to the text：5、我想请玛丽帮我做什么？[img=1336x242]180339ad050248e.png[/img]
- 4
Answer the following questions according to the text. 1. Where does the author live now?