皮皮学，免费搜题
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【单选题】
具有分泌粘液功能的细胞是A.
柱状细胞
B.
Paneth细胞
C.
干细胞
D.
杯状细胞
E.
内皮细胞
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皮皮学刷刷变学霸
举一反三
【判断题】A Company had net sales of $23,000 million, and its average account receivables were $5,860 million. Its accounts receivable turnover is 0.92.
A.
正确
B.
错误
【简答题】根据中国眼病网公布的数据,色盲在男性中占 8% ,在女性中占 0.4% 。已知本校在校男女生比例为 6:1, 现在全校学生中随机抽取一名,求该学生是色盲的概率 _______。(保留四位有效数字)
【简答题】低压电器是用于额定电压在交流________ V 或直流________ V 及其以下的电路中起通断、保护、控制和调节作用的电器 。
【判断题】A company had net sales and cost of goodssoldof $545,000 and $345,000, respectively. Its gross margin equals $890,000.
A.
正确
B.
错误
【简答题】根据中国眼病网公布的数据，色盲在男性中占8%，在女性中占0.4%。已知本校在校男女生比例为 6:1, 现在全校学生中随机抽取一名，求该学生是色盲的概率_______。（保留三位有效数字）
【简答题】感官检验方法的类型有哪些?进行食品的感官检验有哪些基本要求 ?
【单选题】A company had net sales of $31,500 and ending accounts receivable of $2,700 for the current period. Its days' sales uncollected equals:
A.
11.7 days.
B.
23.3 days.
C.
31.3 days.
D.
42.5 days
E.
46.6 days.
【判断题】A company had net sales and cost of goods of $545,000 and $345,000, respectively. Its gross margin equals $890,000.
A.
正确
B.
错误
【判断题】A company had net sales of $340,500, its cost of goods sold was $257,000, and its net income was $13,750. The company's gross margin ratio equals 24.5%.
A.
正确
B.
错误
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