皮皮学，免费搜题
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【单选题】
若555定时器的电源电压为+VDD,则两个参考电压分别为【 】。A.
+VDD/+2VDD
B.
-2VDD/+3VDD
C.
-12 VDD/+12 VDD
D.
+23 VDD/+13 VDD
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【单选题】商务书信中Recipient and his address收件人及地址、The attention line经办人；The Reference信件参考文号和The Salutation称谓属于商务英语写作结构中的哪个一部分
A.
Heading 信头
B.
Opening 开头
C.
Body 正文
D.
Closing 结尾
【单选题】商务书信中 Recipient and his address收件人及地址、The attention line经办人;The Reference信件参考文号和The Salutation称谓属于商务英语写作结构中的哪个一部分?( )
A.
Body 正文
B.
Heading 信头
C.
Closing 结尾
D.
Opening 开头
【简答题】电子商务策划书怎么写？策划需要什么？
【单选题】A) The doctor and recipient are identical twins. B) The transplanted organ is from the recipient’s relative. C) The donor’s blood type is the same as the recipient’s. D) The recipient is not infected ...
A.
The doctor and recipient are identical twins.
B.
The transplanted organ is from the recipient’s relative.
C.
The donor’s blood type is the same as the recipient’s.
D.
The recipient is not infected during the operation. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】A) The doctor and recipient are identical twins. B) The transplanted organ is from the recipient’s relative. C) The donor’s blood type is the same as the recipient’s. D) The recipient is not infected ...
A.
The doctor and recipient are identical twins.
B.
The transplanted organ is from the recipient’s relative.
C.
The donor’s blood type is the same as the recipient’s.
D.
The recipient is not infected during the operation.
【简答题】If the donor of a gift pays the gift taxes instead of the recipient, then the relative value of the gift: A) decreases. B) increases. C) experiences no change.
【简答题】阅读材料，回答问题
2009年对中各国来说是不平凡的一年。前不久，某校政治组组织学生开展了“回眸2009，展望2010”画报展示活动。下面是学生收集的一部分材料，请你参与分析、思考、回答问题。
小组甲2009年是新世纪以来我国经济发展最为困难的一年。面对严峻复杂的经济形势，党中央、国务院采取了一系列政策措施，如实行积极的财政政策和适度宽松的货币政策、扩大内需等，有效遏止了经济增长明显下滑...
【简答题】You may give the recipient’s name or title in（ ）．
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