P.E. has been a major part of the senior high school entrance exam nation since 2017. The P.E. examination in Changchun includes different kinds of sports items, namely running, rope skipping, football, long jump, discus throw(投掷铅球) and flexibility test(柔韧性测试) Among them, running is compulsory(必选的) while others are optional(选择的) items. Which items are the most popular among students? Last week we made a survey about the choice of sports items among 280 students in Grade 8 in Hope Middle School. Here are the results.
According to the interview of some students, they prefer playing football in clubs, but not in the exams. Rope skipping is easier for them. However, long jump is quite difficult for them to get high scores.
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（1）
How many optional items arc there in the P.E. examination in Changchun?
A . 6
B . 1
C . 5
D . 3
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（2）
How many students prefer discus throw in the survey?
A . 140
B . 168
C . 84
D . 28
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（3）
Which sports item receives the least choices?
A . Long jump.
B . Flexibility test
C . Rope skipping.
D . Football.
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（4）
Which item is difficult for the students to get high scores?
A . Long jump.
B . Flexibility test
C . Rope skipping.
D . Football
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（5）
Which of the following statements is true?
A . The survey shows the result of the choices among 280 students in Grade 9 in Hope Middle School.
B . Students do not like playing football
C . Flexibility test is the most popular item for students
D . The number of the students who chose flexibility tests half the number of discus throw.
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