皮皮学，免费搜题
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【判断题】
高锰酸钾溶液呈现紫红色是由于吸收了白光中的绿色光。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【简答题】software and service package ________
【简答题】software and service package ________
【简答题】Examples of system software include operating systems, computational science software, engines, industrial automation, and software as service applications.
【单选题】Design Tools Monthly, a monthly newsletter and software update service for graphic design professionals, has been published since 995 with_____in 4 countries.
A.
subscribers
B.
spectators
C.
witnesses
D.
participants
【单选题】Customer relationship management systems typically provide software and online tools for sales, customer service, and
A.
account management.
B.
marketing.
C.
public relations.
D.
product development.
【单选题】Customer relationship management systems typically provide software and online tools for sales, customer service, and
A.
marketing.
B.
account management.
C.
advertising.
D.
public relations.
【简答题】Apteryx Company Ltd. Apteryx Ltd. is a software development company. We create and develop software applications and systems, which are the leading products in the business fields. Our current product...
【单选题】Software patches and service packs ____.
A.
are usually free
B.
are typically distributed over the Internet
C.
can automatically install themselves
D.
all of the above
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