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【单选题】
From the abstract, what is the result of this article?A.
Overall 10 publications with clinical trials could be identified. Their clinical outcome was compared with that laboratory bond strength studies.
B.
Clinical data provide strong evidence that air-abrasion at a moderate pressure in combination with using phosphate monomer containing primers and/or luting resins provide long-term durable bonding to glass-infiltrated alumina and zirconia ceramic under the humid and stressful oral conditions.
C.
As simple and clinically reliable bonding methods to oxide ceramics exist, the rationale for development of alternative bonding methods might be reconsidered especially when these methods are more time consuming or require rather complicated and/or technique sensitive procedures.
D.
Conducting a PubMed database search in May 2014 for articles dealing with the resin bond to dental zirconia ceramic reveals an astonishing increase of research being published in the last two decades years.
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【单选题】There is still a long way to go to work out all the problems ________ conservation of natural resources. [ ]
A.
concerning
B.
concerned
C.
to concern
D.
concern
【单选题】某企业为增值税一般纳税人,存货适用的增值税税率为16%,不动产适用的增值税税率为10%。2018年6月建造厂房领用一批材料,该批材料的实际成本20 000元,同类材料的市价为24 000元,该项业务应计入在建工程成本的金额为( )元。
A.
20 000
B.
21 280
C.
24 000
D.
28 000
【单选题】某企业为增值税一般纳税人,适用的增值税税率为16%。该企业因管理不善使一批库存材料被盗。该批原材料的实际成本为40000元,购买时支付的增值税为6400元,应收保险公司赔偿21000元。不考虑其他因素,该批被盗原材料形成的净损失为( )元。
A.
19000
B.
40000
C.
46400
D.
25400
【简答题】简述领带的注意事项
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