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【单选题】
A company had credit sales of $30,000 and cash sales of $20,000 during the month of May. Also during May, the company paid wages of $21,000 and utilities of $8,000. It also received payments from customers on account totaling $4,000. What was the company's net income for the month?A.
$20,000
B.
$21,000
C.
$50,000
D.
$79,000
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【简答题】支付宝是国内最大的 独立 ________ ,专门为中国电子商务提供 “简单、安全、快速”的 ________ 解决方案。
【简答题】单词拼写:---Would you like something to drink?---Yes. a cup of black co_____ .A. ffor B. ffee C. ffar
【简答题】支付宝是国内最大的独立__________,专门为中国电子商务提供“__________ ”在线支付解决方案 。
【单选题】_____ we would like to co-operate with you, we do not think there is room for a reduction in our price.
A.
Even
B.
As
C.
Much
D.
Much as
【多选题】固有免疫应答的特点包括
A.
直接识别某些共有高度保守的配体分子
B.
具有识别“非己”的能力
C.
经克隆扩增和分化，迅速产生免疫效应
D.
免疫应答维持时间较短
E.
没有免疫记忆
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