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"?

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:whichofthefollowingsentenceshastheword"idle"withthesamemeaningandusageasthatin"FordandToyotawillidlesomeoftheirvastChineseassemblyplants?"

1．下面关于console.log("Hello")的说法正确的是（）。A、可以在警告框内输出HelloB、可以在网页中输入HelloC、可以在控制台输出HelloD、以上说法都不正确

1．下面关于数组转字符串的描述错误的是（）。A、默认情况下使用逗号连接数组元素B、数组元素为空数组时会被转为空字符串C、toString()方法可将多维数组转为字符串D、join()方法仅能将一维数组转为字符串

1．下列选项中，可以实现异或操作的是（）。A、“&”B、“|”C、“~”D、“^”

1．下面关于for语句描述错误的是（）。A、for循环语句小括号内的每个表达式都可以为空B、for循环语句小括号内的分号分割符可以省略C、for适合循环次数已知的情况D、for循环语句小括号中依次包括初始化表达式、循环条件和操作表达式

1．下列属性中，用于引入外部JavaScript文件的是（）。A、srcB、typeC、languageD、defer

1．下面链接外部JavaScript正确的是（）。A、<scriptsrc="animation.js"></script>B、<linksrc="animation.js">C、<scripthref="animation.js"></script>D、<stylesrc="animation.js"></style>

1．为实例对象动态添加一个成员时，该成员将保存在（）。A、该对象中B、该对象的原型对象中C、该对象的构造函数中D、原型对象中不存在时保存到原型对象，否则保存到当前对象

1．以下选项不能用作函数名开头的是（）。A、字母B、数字C、下划线（_）D、$符号

1．下列选项中表示十进制数字9的是（）。A、0001B、1001C、1101D、0101

1．阅读以下代码，输出结果为（）。vari=24;for(leti=0;i<10;++i){}console.log(i);A、24B、9C、10D、undefined

1．达式“['2','1',2,1].includes('1',3)”的输出结果为（）。A、trueB、falseC、1D、0

以下程序的输出结果是ls1=[1,2,3,4,5]ls2=[3,4,5,6,7,8]cha1=[]foriinls2:ifinotinls1:cha1.append(i)print(cha1)

以下代码的输出结果是foriinrange(1,6):ifi%4==0:breakelse:print(i,end=’,’)