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【判断题】
空气清新剂有掩盖臭味、杀菌、留香的作用,所以要各个地方大量使用。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】钢筋加工主要包括：调直、除锈、() 、连接、弯曲等
【单选题】Lisa wants to be certain she has done all she can do to help her business survive, so she has written a business plan. One advantage of developing the plan is that it _____.
A.
forces Lisa to think carefully about all aspects of her planned business.
B.
enables Lisa to switch herself from a sole proprietorship to a corporation without any further paperwork.
C.
focuses Lisa’s attention on her personal talents and experiences.
D.
makes Lisa feel how successful she is.
【简答题】钢结构连接方式主要包括（）、（）、普通螺栓连接和（）等。
【简答题】网页中文字主要包括()、信息、文字连接等几种主要形式。
【单选题】is true friendship is that he or she would like to do all she can his or her friends when they are in trouble．
A.
What；help
B.
It；to help
C.
What；to help
D.
Which；help
【简答题】栏杆和楼梯踏步的连接方式主要包括____、____和螺栓连接等。
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