During the SARS period,it is especially important to ventilate the room.A: dustB: cleanC: removeD:air

During the SARS period,it is especially important to ventilate the room.

A: dust
B: clean
C: remove
D:air

参考解析

解析:句意为:在非典期间,给房间通风换气变得尤为重要。dust意为“掸掉……上的灰尘”;clean意为“打扫、清洁”;remove意为“移走、搬家”;air意为“使通风”,题目中划线部分意为“使通风换气”,与air意思一致,因此D选项符合题意。

相关考题:

_______ was the most distinguished playwright during the Elizabethan period. A.William ShakespeareB.Francis BaconC.Edmund SpenserD.George Puttenham

The period of Stone Age is during 2000--250BC.()

it is important to develop listening skills together with other skills, especially _____________. A. readingB. listeningC. writingD. speaking

()the testimony of other witnesses, our arbitral tribunal may require the retirement of any witness or witnesses.A、During ofB、At timesC、In the period ofD、During for

After a period of prosperity (1920 ~ 1929), government involvement in the economy increased _________. A.during the Great DepressionB.after the WW IC.after the WW IID.during the Cold War

Please find the exact definition for "symphony".A. something made in an earlier period and collected and valued because it is beautiful,rare,old or of high qualityB. the main or most important rules or partsC. a person who helps someone serve in a restaurant,especially an operaD. a long piece of music for an

it is important to develop listening skills together with other skills, especially _________. A、listeningB、writingC、speakingD、reading

Where a period is fixed during which freight is to be paid,the Shipowner must ______ to deliver the goods throughout the whole of that period if he wishes to claim payment.A.be hadB.be madeC.be preparedD.be delivered

Learning portfolio is an important means of__________.A.summative assessmentB.formative assessmentC.diagnostic assessmentD.whole period assessment

Theresa May s speech mentioned the following things except( ) A.the rights of EU’s citizens will be protected in Britain after the divorce B.a good trade relation between Britain and the EU is in line with the interests of both sides C.Britain would be willing to continue to fulfill the commitment they have made during the period of membership D.Britain will provide 20 billion euros to EU during the transition period

When tuning a network module what is the purpose of the grace period?()A、It defines the maximum permissible time period between missed heartbeats before a failure is detectedB、It defines the time period to wait to activate the network module after starting the cluster managerC、It defines the period between detecting a missed heartbeat and initiating a network down, allowing thenetwork to stabilizeD、It defines the time period during which, after a network failure was detected, further network failures of thesame type will be ignored

In which scenario will you use the Flashback Transaction Query feature?()A、 when you want to restore an important table that is dropped from the Recycle BinB、 when you want to obtain the SQL statements to undo the deletion of some important records from a table by a transactionC、when you want to restore a dropped user’s schemaD、 when a row of a table is updated many times within a specific time period and you want all the versions of the row in the specified time period

单选题In some parts of the world there is often a slight fall in tide during the middle of the high water period. The effect is to create a longer period of stand at higher water. This special feature is called a(n)().Aapogean tideBdouble high waterCperigean tideDbore

单选题Your database is functional with a peak load for the last one hour. You want to preserve the performancestatistics collected during this period to be used for comparison when you analyze the performance of thedatabase in the future.  What action would you take to achieve this task()AInsert finding directives for ADDM tasks in the future.BCreate a baseline on a pair of snapshots spanning the peak-load period.CDecrease the snapshot interval in the AWR to collect more snapshots during the peak- load period.DSet the snapshot retention period in the Automatic Workload Repository (AWR) to zero to avoid automaticpurging of snapshots

单选题Your database is functional with a peak load for the last one hour. You want to preserve theperformance statistics collected during this period to be used for comparison when you analyze theperformance of the database in the future.  What action would you take to achieve this task()AInsert finding directives for ADDM tasks in the future.BCreate a baseline on a pair of snapshots spanning the peak-load period.CDecrease the snapshot interval in the AWR to collect more snapshots during the peak-load period.DSet the snapshot retention period in the Automatic Workload Repository (AWR) to zero to avoid automatic purging of snapshots.

单选题The trouble-free life of an engine indicates ().Athe period of time during which no trouble occurs to the engineBno trouble will occur to the engine all its lifeCtrouble may occur freely to the engineDno matter what you do to the engine, no trouble will occur during this period

单选题Your database is functional with peak load for one hour. You want to preserve the performance statistics collected during this period so that they can be used for comparison while analyzing the performance of thedatabase in the future. What action would you take to achieve this task?()ASet the STATISTICS_LEVEL initialization parameter to ALL.BCreate a baseline on a pair of snapshots that have the statistics of the peak-load period in the database.CDecrease the snapshot interval in the AWR to collect more number of snapshots during the peak-load period.DSet the snapshot retention period in the Automatic Workload Repository (AWR) to zero to avoid the automatic purging of the snapshots.

单选题Monitoring is especially important in a highly automated system which is dependent on careful()procedure and format.Aadherence toBadoption toCrelaying onDusage of

问答题Critics of the ban say cell phones are important safety devices for kids during an emergency.

单选题When tuning a network module what is the purpose of the grace period?()AIt defines the maximum permissible time period between missed heartbeats before a failure is detectedBIt defines the time period to wait to activate the network module after starting the cluster managerCIt defines the period between detecting a missed heartbeat and initiating a network down, allowing thenetwork to stabilizeDIt defines the time period during which, after a network failure was detected, further network failures of thesame type will be ignored

单选题In general,the most effective period for observing stars and planets occurs during the darker limit of().AsunsetBcivil twilightCnautical twilightDastronomical twilight

单选题During the Colonial period, it was _____ expensive to ship anything across the Appalachian Mountains.AmomentarilyBtolerablyCabruptlyDprohibitively

单选题During that unstable period, the government could not accomplish much.AconservativeBtroubledCremoteDbackward

单选题Where a period is fixed during which freight is to be paid,the Shipowner must()to deliver the goods throughout the whole of that period if he wishes to claim payment.Abe hadBbe madeCbe preparedDbe delivered

单选题Usually we take the cooling effect of the air flown through the cylinder during the overlap period as()AinevitableBharmfulChelpfulDunacceptable

单选题You have abandoned ship in tropical waters. Which procedure(s) should be used during a prolonged period in a raft?().AWet clothes during the day to decrease perspirationBGet plenty of restCKeep the entrance curtains openDAll of the above

单选题In this age, education is considered as an important key to success and minority groups especially are _____ to better themselves by going to college.ApersistingBencouragingCstrivingDpersuading