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【单选题】
平面与圆锥相交,截平面过锥顶,截交线为( )。A.
椭圆
B.
圆
C.
抛物线
D.
双曲线
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举一反三
【简答题】What are the 5 rules of presentation mentioned in the video “Five Rules for Presentations”? Treat your audience as king; spread ideas and move people; help them see what you are saying; practice desi...
【单选题】A) At 3 a.m. next Saturday. B) At 3 p.m. next Saturday. C) At 6 a.m. next Saturday. D) At 6 p.m. next Saturday.
A.
At 3 a.m. next Saturday.
B.
At 3 p.m. next Saturday.
C.
At 6 a.m. next Saturday.
D.
At 6 p.m. next Saturday.
【单选题】If the labor force is growing at a 3 percent rate and the efficiency of a unit of labor is growing at a 2 percent rate, then the number of effective workers is growing at a rate of:
A.
2 percent.
B.
3 percent.
C.
5 percent.
D.
6 percent.
【简答题】主题效果可以改变演示文稿中所有()、()或()的图形显示效果 。
【单选题】An organisation is using linear regression analysis to establish an equation that shows a relationship between advertising expenditure and sales revenue. It will then use the equation to predict sales...
A.
$600,000 $100,000 5
B.
$100,000 $600,000 5
C.
$600,000 $100,000 10
D.
$100,000 $600,000 10
【单选题】The medical journal reported that heart attack victims who recover are approximately five times as likely to die within the next five years as those people without a history of heart disease. What did...
A.
They are more likely to die in the near future than others.
B.
They will die in five years.
C.
They are less likely to die than people without a history of heart disease.
D.
They are likely to recover.
【单选题】听力mp3： 请根据以下内容回答下列各题
A.
At a bank.
B.
At a restaurant.
C.
At a friend' s house.
D.
At a hotel.
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