【简答题】II. Number the different exercises below 1, 2, 3, 4 and 5 to show the degree of calorie loss (from the least to the most). ( ) a. one-hour swimming (crawl/45 yds) ( ) b. one-hour jogging (6 mph) ( ...
【简答题】Write two request and two
response letters according to the given situations of Exercises IV&V of Unit 5(P98) and Exercise IV (1-2) of Unit 6 (P117).