11。A, get 12。B, buying 13。A, taking p 14。B, he 15。D, he 16。C, her gym 17。D, The 18。A，Indifferent。 19。C ，he has 20。
B，learn 21。C, every 22。A, what to 23。D。 A financial trader 24。B, He considers 25。 D, It can 26。D)They mistake the firefighters for monsters。
27。A)He often teaches children what to do during a fire。 28。D)He saved the life of his brother choking on food。 29。
D)Informative speeches can save lives。 30。C)To make money for early retirement。 31。A)They may have to continue to work in old age 32。
B)Making wise use of your time。 33。C)Innocent people being suspected groundlessly。 34。D)Allowing only two students to enter at a time。
35。B)He was closely watched。 36 international 37 revolution 38 emphasized 39 poor-paying 40 effectively 41 freelancewriter 42 conditioned 43 reasonably 44 The earthquake left thousands of people in urgent need of medicar care。
45 There is no denying the fact that he has directed the most popular film in ten years。 46 A lighted cigarette thrown out of a car or train window can star a fire。