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【单选题】
下列哪个选项是离心泵的主要部件?A.
叶轮和泵壳
B.
电机
C.
密封环
D.
轴封装置和轴向力平衡装置
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反馈参考答案：
举一反三
【简答题】间作套种时作物搭配的原则是什么？
【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】下列程序运行后输出结果为 。 #include int main() { int i,a[6]; for (i=0; i=0 ; i--) printf("%d",a[i]); return 0; }
【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
【简答题】套期保值的操作原则是什么?
【单选题】信息系统的评价内容有系统性能、直接经济效益与间接经济效益等几个方面，系统性能又由许多指标表示。以下不属于性能指标的是（）
A.
可操作性和处理速度
B.
可靠性和不稳定性
C.
可靠性和稳定性
D.
可扩展和可维护性
【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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