地大20秋《大学英语四》在线作业二0011参考答案.docx

1、地大20秋大学英语四在线作业二0011参考答案地大大学英语(四)在线作业二-0011试卷总分:100 得分:100一、单选题 (共 25 道试题,共 100 分)1.Neither Tom nor his parents _ at home.A.isB.areC.hasD.was答案:B2.There is a new problem involved in the popularity of private cars _ road conditions need _.A.that; to be improvedB.which; to be improvedC.where; improving

2、D.when; improving答案:A3.Someone is ringing the doorbell. Go and see _.A.who is heB.who he isC.who is itD.who it is答案:D4._ she was very tired, she went on working.A.AsB.AlthoughC.EvenD.In spite of答案:B5.Ill let you know _ he comes back.A.beforeB.becauseC.as soon asD.although答案:C6.Each of you _ responsi

3、ble for the accident.A.amB.beC.isD.are答案:C7.Must I take a bus? No, you _. You can walk there.A.must notB.may notC.dont have toD.had better not to答案:C8._ you go, dont forget your people.A.WheneverB.HoweverC.WhereverD.Whichever答案:C9.I got up early, but I _ so because I had no work to do that morning.A

4、.mustnt have doneB.shouldnt have doneC.neednt have doneD.cant have done答案:C10.Had you listened to the doctor, you _ all right now.A.areB.wereC.would beD.would have been答案:C11.It is important that we _ wild animals.A.will protectB.should protectC.shall protectD.are protecting答案:B12.More than one work

5、er _ dismissed.A.have beenB.areC.has beenD.has答案:C13.There _ in this room.A.are too much furnitureB.is too many furnituresC.are too much furnituresD.is too much furniture答案:D14._ the rain stops, we ll set off for the station.A.BeforeB.UnlessC.As soon asD.Though答案:C15.I think its going to be a big pr

6、oblem. Yes, it could be. I wonder _ we can do about it.A.ifB.howC.whatD.that答案:C16._ fashion differs from country to country may reflect the cultural differences from one aspect.A.WhatB.ThatC.ThisD.Which答案:B17.Last summer we visited the West Lake, _Hangzhou is famous in the world.A.for whichB.for th

7、atC.in whichD.what答案:A18.I have two grammars, _are of great use.A.all of whichB.either of whichC.both of thatD.both of which答案:D19.Do you think he will help me? As far as I know, he is the last one to help others. He _ be prepared to give you a hand, though.A.canB.mustC.mightD.should答案:C20.The gas w

8、orks _ near the city.A.isB.areC.wereD.be答案:A21.I learned a little Russian _ I was at middle school.A.thoughB.althoughC.as ifD.when答案:D22.My neigh bours used to give me a hand in time of trouble, _ was very kind of them.A.whoB.whichC.thatD.it答案:B23.Parents are taught to understand _ important educati

9、on is to their childrens future.A.thatB.howC.suchD.so答案:B24.This machine, _for many years, is still working perfectly.A.after which I have lookedB.which I have looked afterC.that I have looked afterD.I have looked after答案:B25.You can depend on whatever promise _ he makes.A./B.whyC.whenD.whose答案:A以下内

10、容不需要的请删除北交JAVA语言设计在线作业一-0006试卷总分:100 得分:100一、单选题 (共 25 道试题,共 75 分)1.在Java中，表示换行符的转义字符是( )A.nB.fC.ddD.n答案:A2.下列构造方法的调用方式中，正确的是( )。A.被系统调用B.由用户直接调用C.按照一般方法调用D.只能通过 new 自动调用答案:D3.在调用函数并传递参数时，将变量对应的内存位置传递给函数，而函数会根据内存位置取得参数的值，是指哪种方式( )A.返回值B.地址传递调用C.值传递调用D.以上都不是答案:B4.设 i、j 为int型变量名，a 为int型数组名，以下选项中，正确的赋值

11、语句是( )A.i+ - -j;B.i = i + 2C.a0 = 7;D.a(0) = 66;答案:C5.编译并且执行以下代码，会出现什么情况( )。?public?class?Q?public?static?void?main(String?argv)?int?anar=new?int1,2,3;?System.out.println(anar1);?A.有错误，数组的大小没有定义。B.有错误，数组anar在初始化以前不能正常输出C.2D.1答案:C6.设 x、 y为已定义的类名，下列声明x类的对象x1的语句中正确的是( )A.y x1;B.x x1=x();C.static x x1;D

12、.public x x1=new x(int 123);答案:C7.执行完代码intx=new int25;后,以下( )说明是正确的。A.x25为0B.x24未定义C.x24为0D.x0为空答案:C8.关于Java中数据类型叙述正确的是( )A.整型数据在不同平台下长度不同B.数组属于简单数据类型C.boolean类型数据只有2个值，true和falseD.Java中的指针类型和C语言的一样答案:C9.下列语句序列执行后，i 的值是( )。 int i=8, j=16; if( i-1 j ) i-; else j-;A.8B.7C.16D.15答案:A10.阅读下面程序 class ex3

13、124 public static void main(String args) boolean b=true; if(b) int i=1; else int i=2;System.out.println(i); 现在想先编译再运行该程序,结果是( )。A.运行出错B.编译出错C.2D.1答案:B11.下列程序段的输出结果是 ( )。 public class operatorsandExpressions void stringPlus() int x=3,y=4,z=5; System.out.println(x+y+z); A.以上答案均不正确B.xyzC.x+y+zD.12答案:D1

14、2.关于类和对象的叙述正确的是( )A.类的静态属性和全局变量的概念完全一样，只是表达形式不同B.类的成员至少有一个属性和一个方法C.类是对象的实例化D.Java的类分为两大部分：系统定义的类和用户自定义的类答案:D13.设有定义 int i=123; long j=456; 下面赋值不正确的语句是( )A.j=(long)i;B.j=i;C.i=j;D.i=(int)j;答案:C14.下列程序段执行后的结果是( )。 String s=new String(abcdefg); for(int i=0;is.length();i+=2) System.out.print(s.charAt(i); A.acegB.abcdefgC.abcdD.ACEG答案:A15.下列哪个类声明是正确的( )A.public abstract class CarB.prot