Which method in the Thread class is used to create and launch a new thread of execution？（）

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• Which two code fragments will execute the method doStuff（） in a separate thread？（）

  A . new Thread（） {public void run（） { doStuff（）； }}； B . new Thread（） {public void start（） { doStuff（）； }}； C . new Thread（） {public void start（） { doStuff（）； }}.run（）； D . new Thread（） {public void run（） { doStuff（）； }}.start（）； E . new Thread（new Runnable（） {public void run（） { doStuff（）； }}）.start（）；

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• To examine the Exhibit， press the Exhibit button. Using the "ps -mo THREAD" output as shown in the exhibit， which of the following conclusions is most appropriate to draw？（）https://assets.asklib.com/images/image2/2018080211465344151.bmp

  A .  This is a uniprocessor system B .  The "prog" process has a nice value of 107 C .  There are two active processors on this system D .  The "prog" process will only be scheduled to run on processor 0

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• You are developing a custom-collection class.You need to create a method in your class. You need to ensure that the method you create in your class returns a type that is compatible with the Foreach statement. Which criterion should the method meet？（）

  A . The method must return a type of either IEnumerator or IEnumerable. B . The method must return a type of IComparable. C . The method must explicitly contain a collection. D . The method must be the only iterator in the class.

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• What is the name of the method that threads can use to pause their execution until signalled to continue by another thread？ （） Fill in the name of the method （do not include a parameter list）.

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• Which method will configure an e-mail notification when permanent hardware errors are logged in the errorlog？（）  

  A . Create or update the errnotify stanza in the ODm B . Update errpt daemon configuration file /etc/errpt.conf. C . Update errpt daemon configuration file /var/adm/errpt.conf. D . Define a notification alias in the /etc/syslog.conf file with the *.error stanza

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• Which two statements are true about using the isUserInRole method to implement security in a Java EEapplication？（）

  A . It can be invoked only from the doGet or doPost methods. B . It can be used independently of the getRemoteUser method. C . Can return "true" even when its argument is NOT defined as a valid role name in the deployment descriptor. D . Using the isUserInRole method overrides any declarative authentication related to the method in which it is invoked.

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• Consider the events_% tables in performance Schema. Which two methods will clear or reset the collected events in the tables?（）

  A . Using DELETE statements, for example, DELETE FROM performance_schema.events_watis_current B . Using the statement RESET PERFORMANCE CACHE C . Using the statement FLUSH PERFORMANCE CACHE D . Using TRUNCATE statements, for example, TRUNATE TABLE performance_schema.events_waits_current E . Disabling and re-enabling all instruments F . Restarting Mysql

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• Which of the following methods might favor oil emulsion in bilge water?（）

  A、separating oil too fast B、the sensor flushed badly C、the discharge solenoid valve out of order D、too low heating temperature

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• The teachers should use _____ materials as much as possible in teaching, which is one of the characteristics in communicative method.

  A . A. right B . B. true C . C. foreign D . D. native

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• Which of the following methods is normally used to lubricate bearings in a small high-speed diesel engine?（）

  A . Splash lubrication B . Pressure lubrication C . Sight feed lubricators D . Mechanical lubricator

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• You are performing an incomplete recovery because a tablespace is dropped and purged from the Recycle Bin. In which mode will you execute the following code？（）  RMAN>RUN  {   SET UNTIL SEQUENCE  THREAD ；   RESTORE DATABASE；   RECOVER DATABASE；  }

  A .  NOMOUNT B .  MOUNT C .  OPEN D .  RESTRICTED

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• You find this query being used in your Oracle 12c database: Which method a used by the optimizer to limit the rows being returned?（）

  A . A filter is added to the table query dynamically using ROWNUM to limit the rows to 20 percent of the total rows B . All the rows are returned to the client or middle tier but only the first 20 percent are returned to the screen or the application. C . A view is created during execution and a filter on the view limits the rows to 20 percent of the total rows. D . A TOP-N query is created to limit the rows to 20 percent of the total row

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• Fueling results in the collection of waste oil in drip pans and containers. Which is an approved method of disposing of the waste oil? （）

  A . Draining it overboard when the vessel gets underway B . Placing it in proper disposal facilities C . Adding sinking agents and discharging it into the water D . Mixing it with dispersants before draining it overboard

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• Chronological order is a method of speech organization in which the main points follow a _____ pattern.

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• In accordance with what we talked about, which of the following method belongs to cognitive method?

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• One method by which stores advertise their goods is to________ them in attractive ways in the store windows.

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• The procedure part of your method section should detail the procedures used in your experiment. Explain what you had participants do, how you collected data, and the order in which steps occurred.

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• Which method of comparison and contrast does the author use in Para. 6 and Para.7?

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• Which one is NOT the method of conclusion we have learned in this unit?

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• Which of the following techniques is NOT used in the Grammar-Translation Method?

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• In Paras. 6—13, three methods of animal protection are mentioned,which of the following is not correct?

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• Which translation method is used in the translation of “春节”-“the Spring Festival” (New Year’s Day of the Chinese lunar calendar)?

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• Which method will a speaker use for a prepared speech competition like that in the CCTV Cup and the 21 st Century Cup?

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• Which of the following are not among the methods recommended for avoiding too many abstractions in an informative speech?

  A．U s e statistics and testimony B．U se narration and dialogue C．U se testimony and examples D．U se comparison and contrast . 此题为多项选择题。

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