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【单选题】
I think the book on light music is worth ______.
A.
reading
B.
to read
C.
to be read
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举一反三
【单选题】C/S中,负责与用户交互的是()。
A.
客户端
B.
Web服务器
C.
应用服务器
D.
数据库服务器
【单选题】Mrs. James has progressed to a full liquid diet. Which items would the nurse expect to see on the patient's meal tray?
A.
Apple juice and bouillon
B.
Water ice and ginger ale
C.
Beef and cream of broccoli soup
D.
Custard and a glass of milk
【简答题】大海是取之不尽的化工原料宝库,从海水中可提取各项化工原料,下图是工业对海水进行几项综合利用的示意图,根据图示填空: (1)在滤液(溶质主要含氯化镁)中加入生石灰制取氢氧化镁时所发生反应的化学方程式:_____________,_____________。 (2)某课外化学活动小组取海水,过滤去一些不溶杂质,蒸发.结晶,然后再过滤,得到较纯净的粗盐。进行蒸发操作时,应蒸发至_________(填序号...
【简答题】海水是巨大的资源宝库,在海水淡化及综合利用方面,天津市位居全国前列。从海水中提取食盐和溴的过程如下图: (1)步骤I中已获得Br 2 ,步骤Ⅱ中又将Br 2 还原为Br - ,其目的为____________________; (2)步骤Ⅱ用SO 2 水溶液吸收Br 2 ,吸收率可达95%,反应方程式为__________________; (3)Br - 的检验主要试剂是__________,离...
【单选题】清朝修编的《四库全书》是中国历史上最大的一部综合丛书,“四库”也称“四部”,是对图书进行的分类,具体包括( )。
A.
礼、义、书、术
B.
经、史、数、术
C.
礼、义、春、秋
D.
经、史、子、集
【单选题】A laser printer has an error tray two paper jam but tray two does not have any paper in it. Which of the following should the technician do FIRST? ()
A.
Replace the tray two paper sensor and run the printer self test.
B.
Remove the tray two paper sensor and clean the printhead.
C.
Check the tray two paper sensors for blockage and run the printer self test.
D.
Check the tray two paper rollers for blockage, clean the printhead, and run the printer self test.
【简答题】《 》是我国建国后编制出版的一部具有代表性的大型综合性分类法,已普遍应用于全国各类型的图书馆,国内主要大型书目、检索刊物、机读数据库,以及《中国国家标准书号》等。
【单选题】单相半控桥式无续流二极管带阻感性负载的整流电路中,整流晶闸管的导通角为( )
A.
60 °
B.
90 °
C.
120 °
D.
180 °
【简答题】If you have to miss one meal a day, which meal will cause you fewest health problems if you don’t eat it? If they have to make a decision of this type, most people (especially very busy people) will c...
【多选题】Where can Mr. Brown put the tray when he has finished his meal?
A.
In the restaurant
B.
In the galley
C.
In the room
D.
Outside the door
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