精选优质文档-倾情为你奉上强化训练一Directions: There are 20 blanks in the following passage. For each blank there are four choices marked A, B, C and D on the right side of the paper. You should choose the ONE that best fits into the passage. Then mark the corresponding letter on Answer Sheet 2 with a single line through the centre. Most worthwhile careers require some kind of specialized training. Ideally, therefore, the choice of an (1) should be made even before choice of a curriculum
