根据消费税法律制度的规定，下列项目中，可以不缴纳消费税的有()

烟酸片的含量测定：取本品20片，精密称定重量为7.1680g，研细，取片粉0.3729g，加新沸放冷的水50ml，加热使溶解，放冷，用氢氧化钠滴定液（0.1mol/L）滴定，消耗25.20ml，每1mlNaOH滴定液（0.1mol/L）相当于12.31mg烟酸，已知烟酸片规格0.3g，NaOH滴定液（0.1mol/L）的F=1.005，计算每片中含有烟酸的量

HPLC测定复方SMZ片中SMZ的含量，以SG为内标，测得标准液中：SMZ峰高14.90cm，浓度8.0mg/ml，SG峰高13.80cm，浓度4.0mg/ml。样品液中SMZ峰高11.92cm，SG峰高16.20cm，浓度4.0mg/ml。样品液中SMZ的浓度为（进样量为5μl）

4.HowdidthestudentsfeelaboutJillWatson?

4. HowdidthestudentsfeelaboutJillWatson?

下列费用项目中属于酌量性固定成本的是（）

4.Conduct

12.Responsible的名词形式是response。

定量检测项目向临床能报告的检测范围是

4.Object

12.Swift是动词。

4.Lead

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()