In the 1940s,classroom violence______.A．was something unheard ofB．was by no means a rare occurrenceC．attracted a lot of public attentionD．began to appear in analysts" data
In the 1940s,classroom violence______.
A．was something unheard of
B．was by no means a rare occurrence
C．attracted a lot of public attention
D．began to appear in analysts" data
相关考题：
下列选项中的 方法可以正确地加入类Child中，且父类的方法不会被覆盖。 public class Parent{ public int addValue(int a,int b){ int s； s=a+b； return s； } } class Child extends Parent{ }A．int addValue(int a,int b){∥do something…}B．public void addValue( ){∥do something…}C．public int addValue(int a,int b)throws MyException{∥do something…}D．public float addValue(int a,int b,float b=1.0){∥do something…}
public class Something {public static void main(String[] args) {Other o = new Other();new Something().addOne(o);}public void addOne(final Other o) {o.i++;}}class Other {public int i;}和上面的很相似，都是关于final 的问题，这有错吗?
public class Something {public static void main(String[] args) {Something s = new Something();System.out.println("s.doSomething() returns " + doSomething());}public String doSomething() {return "Do something ...";}}看上去很完美。
Spread spectrum simply means that data is sent in small pieces Over a number of the(46)frequencies available for use at any time in the specified range. Devices using(47)spread spectrum (DSSS)communicate by(48)each byte of data into several parts and sending them concurrently on different(49). DSSS uses a lot of the available(50), about 22 megahertz (MHz).A．continuousB．highC．lowD．discrete
阅读以下说明和Java程序，将应填入(n)处的字句写在对应栏内。[说明]下面程序输出一个矩形面积，以及矩形区域上的假想的作物产量。[Java程序]public class MainJava {public static void main(String[] args){Lot_size small=new Lot_size();Lot_size medium=new Lot_size();small.set(5,5,5，25);medium.set(10,10,10,50);System.out.println("For a small lot of area"+small.get_area()+"\n");System.out.println("the actual crops are $"+small.get_data2()+"\n");System.out.println("and ideal crops are $"+small.get data()+"\n");System.out.println("For a medium lot of area"+medium.get_area()+“\n”)；System.out.println("the actual crops are $"+medium.get_data2()+"\n");System.out.println ("and ideal crops are $"+medium.get_data()+"\n");}}class Crop_assessment{private int actual_crop;private int ideal_crop;public void set(int in_actual,int in ideal){actual_crop=in_actual;ideal_crop=in_ideal;}public int get_actual_crop(){return (1) ;}public int get_ideal_crop()(return (2) ;}}class Lot_size{private int length;private int width;private Crop_assessment crop= (3) ;public void set(int 1,int W,int a,int i){length=1;width=W;crop.set(a,i);}public int get_area(){return length*width;}public int get_data()freturn (4) ;}public int get_data2()(return (5) ;}}
We may infer from the context that "upselling" (Line 2, Para.6) probably means（ ）[A] selling something up[B] selling something fancy[C] selling something unnecessary[D] sdling something more expensive
With a teacher like Mr.Brown,the（ ）method used in the classroom was by no means standardized.A.traditionalB.learningC.pedagogicalD.pococurante
Something important has come up.This sentence means something important happens unexpectedly.A对B错
数组data[m]为循环队列的存储空间，front为队头指针，rare为队尾指针，则执行入队的操作为（）A、rare=rare+1B、rare=（rare+1）%（m-1）C、rare=（rare-1）%mD、rare=（rare+1）%m
You want to create a pie-style chart using the Chart Wizard. What must be you do to determine the fields available for use in this chart? （）A、Select the block that contains the data to appear in the pie chart. B、Select the table that contains the data to appear in the pie chart. C、Select the view that contains the data to appear in the pie chart. D、Nothing. The wizard will automatically create the pie chart based on the highlighted data.
interface Data { public void load（）； } abstract class Info { public abstract void load（）； } Which class correctly uses the Data interface and Info class？（） A、 public class Employee extends Info implements Data { public void load（） { /*do something*/ } }B、 public class Employee implements Info extends Data { public void load（） { /*do something*/ } }C、 public class Employee extends Info implements Data { public void load（） { /*do something */ } public void Info.load（） { /*do something*/ } }D、 public class Employee implements Info extends Data { public void Data.load（） { /*dsomething */ } public void load（） { /*do something */ } }E、 public class Employee implements Info extends Data { public void load（） { /*do something */ } public void Info.load（）{ /*do something*/ } }F、 public class Employee extends Info implements Data{ public void Data.load（） { /*do something*/ } public void Info.load（） { /*do something*/ } }
（）is not a physical wall, but a lot of virtual data to protect the computer network. A、Data wallB、Data ChannelC、Data baseD、firewall
下列代码正确的是哪项？（） A、 public class Session implements Runnable， Clonable{ public void run （）；public Object clone （） ； }B、 public class Session extends Runnable， Cloneable { public void run（） {/*dosomething*/} public Object clone（） {/*make a copy*/} }C、 public abstract class Session implements Runnable， Clonable { public void run（） {/*do something*/} public Object clone（） {/*make a copy*/} }D、 public class Session implements Runnable， implements Clonable { public void run（） {/*do something*/} public Object clone（） {/*make a copy*/} }
现有： interface Data {public void load（）；} abstract class Info {public abstract void load（）；} 下列类定义中正确使用Data和Info的是哪项？（） A、 public class Employee implements Info extends Data { public void load（）{／*dosomething*／} }B、public class Employee extends Inf.implements Data{ public void load（） {／*do something*／} }C、public class Empl.yee implements Inf extends Data{ public void Data.1oad（）{* do something*／} public void load（）{／*do something*／} }D、public class Employee extends Inf implements Data { public void Data.1oad（） {／*do something*／） public void info.1oad（）{/*do something*/} }
public class Parent { public int addValue（ int a， int b） { int s； s = a+b； return s； } } class Child extends Parent { } Which methods can be added into class Child？（） A、 int addValue（ int a， int b ）{// do something...}B、 public void addValue （）{// do something...}C、 public int addValue（ int a ）{// do something...}D、 public int addValue（ int a， int b ）throws MyException {//do something...}
The rows inside three Oracle tables supporting a customer order entry system are frequently accessed together by means of a table join. Because data is always being added to the tables, you leave a lot of extra space inside each block to accommodate growth. Which of the following types of tables would be useful for storing the data in this context?（）A、Temporary tables B、Index-organized tables C、Cluster tables D、Standard Oracle tables
You have a large amount of historical data in an operating system file. Some analysts in your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task？（）A、Upgrade the hardware/memory to accommodate the data.B、Load the data into your database by using the PARALLEL clause.C、Give analysts DBA privilege， so that they can query DBA_EXTERNAL_TABLES.D、Use an external table so you can have the metadata available in your database， but leave the data in the operating system files.
单选题The underlined word reduce probably means ______.Ato make something lessBto make something betterCto make something moreDto make something cleaner
单选题In the 1950s, classroom violence ______.Awas something unheard ofBwas by no means a rare occurrenceCattracted a lot of public attentionDbegan to appear in analysts’ data
单选题数组data[m]为循环队列的存储空间，front为队头指针，rare为队尾指针，则执行入队的操作为（）Arare=rare+1Brare=（rare+1）%（m-1）Crare=（rare-1）%mDrare=（rare+1）%m
判断题Something important has come up.This sentence means something important happens unexpectedly.A对B错
单选题The word “pollute” means “______”.Ato tell something to a lot of peopleBwanting to know about somethingCa programme on the radio or on TVDto make air, water, soil, etc dirty
单选题interface Data { public void load（）； } abstract class Info { public abstract void load（）； } Which class correctly uses the Data interface and Info class？（）A public class Employee extends Info implements Data { public void load（） { /*do something*/ } }B public class Employee implements Info extends Data { public void load（） { /*do something*/ } }C public class Employee extends Info implements Data { public void load（） { /*do something */ } public void Info.load（） { /*do something*/ } }D public class Employee implements Info extends Data { public void Data.load（） { /*dsomething */ } public void load（） { /*do something */ } }E public class Employee implements Info extends Data { public void load（） { /*do something */ } public void Info.load（）{ /*do something*/ } }F public class Employee extends Info implements Data{ public void Data.load（） { /*do something*/ } public void Info.load（） { /*do something*/ } }
单选题现有： interface Data {public void load（）；} abstract class Info {public abstract void load（）；} 下列类定义中正确使用Data和Info的是哪项？（）A public class Employee implements Info extends Data { public void load（）{／*dosomething*／} }Bpublic class Employee extends Inf.implements Data{ public void load（） {／*do something*／} }Cpublic class Empl.yee implements Inf extends Data{ public void Data.1oad（）{* do something*／} public void load（）{／*do something*／} }Dpublic class Employee extends Inf implements Data { public void Data.1oad（） {／*do something*／） public void info.1oad（）{/*do something*/} }
单选题The underlined word “assemble” in the second paragraph probably means ______.Ato bring a group of people together in one place for a particular purposeBto make a public or official statement, especially about a plan, decisionCto produce many copies of a book, magazine, or newspaperDnot to take part in an event or not to buy or use something as a protest