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【简答题】
若X是连续型随机变量,其概率密度函数为 ,则X的分布函数为F(a)=P(X
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举一反三
【单选题】We can infer from Paragraph 5 that______.
A.
Geek Squad is unique because of its speed to deliver products
B.
Best Buy uses UPS to deliver products to customers and Geek Squad
C.
Almost all the products sent to Geek Squad can be repaired the next day
D.
Best Buy is an electronics retailer that sells and repairs electronic devices
【单选题】A geek's service is needed when _________ .
A.
your computer freezes
B.
you have problems with your new BMW
C.
your old fridge becomes faulty .
D.
your high-def TV malfunctions .
【简答题】进气管外观检查主要是看进气管是否存在( )和( )。
【单选题】Geek is developing a new product and expects to be able to capitalise the costs. Which one of the following would preclude capitalisation of the costs?
A.
Development of the product is not yet complete
B.
No patent has yet been registered in respect of the product
C.
No sales contracts have yet been signed in relation to the product
D.
It has not been possible to reliably allocate costs to development of the product
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