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【简答题】
ROC曲线的绘制用途有两点,在选取最佳医学决定水平 Xc 时,选取曲线的 方位的点,两种诊断实验进行诊断性能比较是面积越 ,其诊断性能越佳。
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【单选题】Which of the following statements is NOT true, according to the passage?
A.
One third of the world's population drinks coffee.
B.
Coffee is native to Colombia.
C.
Coffee can keep one awake.
D.
Coffee drinks were first made by Arabs.
【单选题】Which one of the following statements is true?
A.
The moon which appears round at its brightest is called full moon.
B.
The moon's diameter is exactly one fourth of that of the earth.
C.
The light by which we see the old moon comes from the sun.
D.
The part of the moon which is not lighted by the sun is completely dark.
【单选题】Which of the following about Walt Whitman is true? ______
A.
He used ordinary language to write about ordinary people.
B.
He worked as a poet all his life.
D.
He was the first poet who took part in the American Civil War. D．In the faces of men and women I see Go@D．@ was from 'American Democracy'.
【单选题】Which one is NOT true according to the video?
A.
If you have only one acceptable outcome in mind, your chances of making it are slim.
B.
When confronted by problems, entrepreneurs rise to the occasion. Challenges motivate them to work harder.
C.
Entrepreneurs are always accepted.
D.
Many people recognize marketplace holes, but the true entrepreneur takes them from cocktail napkin to reality
【单选题】Which one is true?
A.
Hanfei is China’s greatest legalist philosopher
B.
Mencius belongs to School of the Way
C.
Romance of Three Kingdoms is one of The Five Classics
D.
Mencius advocate School of the Law
【单选题】Which of the following is TRUE of Spaceship One?
A.
Spaceship One is the world's first spacecraft.
B.
The purpose of its flight is to collect money for the charity.
C.
The purpose of its flight is to compete for a prestigious space travel prize.
D.
Spaceship One has never flown.
【单选题】Which of the following is true of a True Mirror?
A.
It enhances one's looks.
B.
It distorts one's looks.
C.
It reflects one's looks in a different light.
D.
It does not reflect a person's looks as reliably as a normal mirror.
【单选题】Which of the following is NOT true?
A.
One cannot memorize plenty of information at one time.
B.
Test of memory span is now used to study one's processing capacity of working memory.
C.
Memory span is about the number of the items people can correctly recall in order.
D.
Grouping information is an effective way to cope with complex memory tests.
【简答题】Nowadays, there’s a lot of debate about single education since it has begun to regain its popularity recently. According to long term studies of children from around the world, students achieve mo...
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