Practice 2 (1) In order to communicate thoughts and feelings, there must be a conventional system of signs or symbols which mean the same to the sender and the receiver. The means of sending communic
Passage 3Questions 11 to 15 are based on the following passage: Chokwe Selassie is on a mission to help drivers avoid potholes(路面坑洼). The Eight-grader was inspired to kick off his mission on a recent