进度的控制周期应视项目的规模和特点而定，一般的项目控制周期为( )。
A. 一周
B. 一个月
C. 一个季度
D. 一年
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If you want to go to the concert, you'll have to make a ______ , or there will be no tickets.
A. reservation
B. punctuality
C. compliment
D. clarity
With the two stories in Paragraph 2, the author explains ______.
A. what are addictive and subtractive body-image problems
B. what people are more likely to kill suicide
C. a lot of health problems are caused by dieting
D. obsession with body-image can cause death or damage to oneself
木材小虫眼是指虫孔的最小直径不足( )mm的虫眼。
A. 1
B. 2
C. 3
D. 4
Which of the following is not mentioned as the cause of body-image anxiety
A. The popularity of Barbie dolls
B. The influence of the media
C. The high exposure to supermodels
D. The influence of the traditional culture
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