12.Swift是动词。

12.Virtual表示虚拟的，是形容词。

12.1.TheworldisquicklyrealizinghowmuchitdependsonChina.2.Appleisreroutingsupplychains.Ikeaisclosingitsstoresandpayingstaffmemberstostayhome.Starbucksiswarningofafinancialblow.FordandToyotawillidlesomeoftheirvastChineseassemblyplantsforanextraweek.3.Themysteriouscoronavirushasvirtuallyshutdownoneoftheworld’smostimportantgrowthengines.Desperatetoslowthefast-movingvirus,theChineseauthoritieshaveextendedthecountry’snationalholiday,andcrippledland,railandairtransport.Entirecitieshaveshutdown.4.Thefullextentofthehittothebroaderbusinessworldisnotyetclear.“Ourmembersaredealingwithvaryingdegreesofdisruptionintheirbusinesses,”saidJakeParker,theseniorvicepresidentoftheUS-ChinaBusinessCouncil.5.Iftravelrestrictionsandquarantinesareexpandedortheholidayextendedfurther,hesaid,“thatwillamplifytheseproblems.”Question:Whichofthefollowingcanbestreplace"virtually"in"Themysteriouscoronavirushasvirtuallyshutdownoneoftheworld’smostimportantgrowthengines"?

12肾病综合征容易发生感染的并发症，最常见感染部位是()

4.无尿指每天尿量少于（）ml或12小时无尿液排出。

12.新生儿寒冷损伤综合征（）是治疗的关键

12.Thislittlebookrepresentedthe()of15years'work.

12.MarkTwain’sworksarecharacterizedbythefollowingexcept().

已知H3PO4的pKa1=2.12,pKa2=7.20,pKa3=12.36。今有一磷酸盐溶液的pH=12.78,则其主要存在形式是()

判断A(10,8,12)，B(5,8,12)是在（）内的重影点。

判断A(10,8,12)，B(5,7,10)，则点A实在点B的（）。

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已知H3PO4的pKa1=2.12,pKa2=7.20,pKa3=12.36。今有一磷酸盐溶液的pH=12.78,则其主要存在形式是()