Questions 18- 22You wt71 hear another five short pieces. For each piece decide what the speaker is going to do next. Write one letter (A-H) next to the number of the piece. You will hear the five pieces twice. 第65题:18……
【判断题】In semantic differential scales, the negative adjective or phrase sometimes appears at the left side of the scale and sometimes at the right. This controls the tendency of some respondents, particular...
【简答题】A ( )is a combination of positive and negative ions in the proper ratio to give a balanced charge and the name of the compound follows from names of the ions.