2. 外语
  3. In a physical education class, 20 students were tested on archery target shooting. These students were then given a two-day trai

In a physical education class, 20 students were tested on archery target shooting. These students were then given a two-day trai

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问题     In a physical education class, 20 students were tested on archery target shooting. These students were then given a two-day training course in archery technique. The students were tested again and showed a 30 percent increase in accuracy. This result proves that the course was effective in increasing people’s target-shooting accuracy.
    Which of the following, if true, gives the strongest support to the argument above?
选项 A、The students were all excellent athletes, and excellent athletes tend to be good at target shooting.
B、The first testing session functioned as a practice session for the second testing session.
C、The accuracy with which people can shoot arrows is strongly related to the sharpness of their vision.
D、A similar group of students who were also tested on archery target shooting but were not given the course did not show an increase in accuracy.
E、Excellence in archery target shooting is an accomplishment achieved by relatively few of the people who take up the sport.
答案D
解析 原文是上课→准确率提升，该选项说的是没上课→准确率没提升，属于“直接加强因果关联”。D正确。A项是在削弱原文。原文想要证明上课会提升准确率，而该选项则说明射得准不是因为上课，而是因为运动员本来就很优秀。不选。B项是在削弱原文。原文想要证明上课会提升准确率，而该选项则说明射得准不是因为上课，而是因为在第一次测试的时候做了练习，不选。C项是在削弱原文。原文想要证明上课会提升准确率，而该选项则说明射得准不是因为上课，而是因为眼神好。不选。E项是在削弱原文。原文想要证明上课会提升准确率，而该选项则说明射得准不是因为上课，而是因为这些学生就是那些优秀的少部分人，不选。
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