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【单选题】
若随机变量 在(1,6)上服从均匀分布,则方程 有实根的概率为A.
0.2
B.
0.4
C.
0.6
D.
0.8
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反馈参考答案：
举一反三
【单选题】Ex.9-1 Listen to the following short dialogues and choose the appropriate answers.
A.
AI is everywhere.
B.
These devices are smart.
C.
Not everybody knows about AI.
D.
Human life cannot do without AI.
【单选题】Listen to the short dialogues and choose the best answers _______.
A.
Chocolate.
B.
Strawberry ice-cream.
C.
Blueberry ice-cream.
D.
Chocolate ice-cream.
【单选题】Listen to the short dialogues and choose the best answers _________.
A.
The man does not like the food at the restaurant.
B.
The man is sick and cannot eat much.
C.
The man does not like glutamate in his dishes.
D.
The man wants glutamate in his dishes.
【单选题】Ex.9-1 Listen to the following short dialogues and choose the appropriate answers.
A.
He’s always ready to help.
B.
He’s full of confidence.
C.
He’s looking for a job.
D.
He’s complaining.
【单选题】Listen to the short dialogues and choose the best answers _________.
A.
Beef.
B.
Pork.
C.
Chicken.
D.
Vegetables.
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