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【单选题】
已知动点P到F 1 （-5，0）的距离与它到点F 2 （5，0）的距离之差等于6，则点P的轨迹方程是（ ）A.
x 2 9 - y 2 16 =1
B.
y 2 9 - x 2 16 =1
C.
x 2 9 - y 2 16 =1 (x≤-3)
D.
x 2 9 - y 2 16 =1 (x≥3)
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反馈参考答案：
举一反三
【单选题】最近嵌套作用域原则是：
A.
一个名字的作用域是从这个名字的说明语句开始到程序结束。
B.
一个名字的作用域是包含了这个名字的说明语句的最小过程或函数。
C.
一个名字的作用域是包含了这个名字的说明语句的过程或函数。
D.
一个名字的作用域是从程序的第一条语句开始到程序结束。
【单选题】Gross profit for 20X3 can be calculated from:
A.
Purchases for 20X3, plus inventory at 31 December 20X3, less inventory at 1 January 20X3
B.
Purchases for 20X3, less inventory at 31 December 20X3, plus inventory at 1 January 20X3
C.
Cost of goods sold during 20X3, plus sales during 20X3
D.
Net profit for 20X3, plus expenses for 20X3
【简答题】以下不符合套期保值的操作原则的是（ ）。
【单选题】—When is your birthday? —It is _________. [ ]
A.
April nine
B.
April's ninth
C.
April nineth
D.
April 1st
【单选题】A company has sublet part of its offices and in the year ended 30 November 20X3 the rent receivable was: Until 30 June 20X3 $8,400 per year From 1 July 20X3 $12,000 per year Rent was paid quarterly in...
A.
Rent receivable $9,900 Statement of financial position $2,000 in sundry payables
B.
Rent receivable $9,900 Statement of financial position $1,000 in sundry payables
C.
Rent receivable $10,200 Statement of financial position $1,000 in sundry payables
D.
Rent receivable $9,900 Statement of financial position $2,000 in sundry payables
【单选题】—What's the date today? —It's ______ ,April Fool's Day．
A.
on April 1st
B.
April 1st
C.
April the 1st
D.
one of April
【简答题】套期保值的操作原则是什么?
【简答题】下列不属于套期保值的操作原则的是（ ）。
【简答题】完形填空。 April Fool's Day April Fool's Day is a western festival. No one 1 exactly when and how April Fool's Day began. However, there are some stories about 2 it came into being. One story 3 like this: ...
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