学校寒暑假制度所带来的客运部门客流量在一年中的规律性变化属于
A. 长期趋势
B. 不规则变动
C. 循环变动
D. 季节变动
查看答案
增长速度可由以下公式计算
A. 报告期增长量/基期水平
B. 报告期水平-基期水平
C. 发展速度+1
D. 发展速度-1
Which statement about Best Body Fitness is correct?
A. It provides you with a fitness assessment after training.
B. It offers you a customized training plan.
C. It allows you to work out without any fees.
D. It asks you to work out on your own.
What is the best part of Best Body Fitness?
A. Its price is quite good.
B. Its time is enough.
C. Its classes are no-risk.
D. Its trainers are experienced.
What type of writing does this text probably belong to?
A. News report.
B. Speech.
C. Announcement.
D. Advertisement.
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