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【多选题】
下列哪些是表示间断性资料的统计图( )。A.
线形图
B.
直方图
C.
直条图
D.
圆形图
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反馈参考答案：
举一反三
【简答题】甲、乙两地相距a千米，一辆汽车载货b吨，从甲地运往乙地，已知汽车运输中的费用为每吨货物每运行1千米需花费m元。 （1）用代数式表示这批货物从甲地到乙地的运输费用； （2）已知这批货物在路上需进行两次检疫，每次的费用为25元，计算当a=300，b=12， m=1时，运输这批货物的总费用。
【单选题】Will is paid $10 an hour for the first 40 hours per week that he works. He can also work as many hours overtime as he wishes to. He is paid $15 an hour for every hour that he works beyond 40 hours a w...
A.
he will choose to work fewer hours per week.
B.
he will choose to work more hours per week.
C.
he will choose to work the same number of hours per week.
D.
he will choose to work more hours per week if and only if his income exceeds his labor income
【单选题】How does the man feel about the International Student Association?
A.
He is sorry that only women can join the club.
B.
He enjoys meeting people with different backgrounds.
C.
He wishes that they would have more activities.
D.
He will probably join the organization.
【单选题】在Word 2010中,要给段落添加底纹可以通过( )实现。
A.
“开始”选项卡“段落”组“底纹”按钮
B.
“插入”选项卡“底纹”按钮
C.
“开始”选项卡“字体”按钮
D.
以上都可以
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