美国学术能力评估考试（SAT）

单选题Line l passes through the origin and is perpendicular to the line given by the equation 2x + y = 8. Which of the following points is NOT on line l?A (-4, -2)B (-1,1)C (2,1)D (4,2)E (7,3.5)

题目
单选题
Line l passes through the origin and is perpendicular to the line given by the equation 2x + y = 8. Which of the following points is NOT on line l?
A

(-4, -2)

B

(-1,1)

C

(2,1)

D

(4,2)

E

(7,3.5)

如果没有搜索结果，请直接 联系老师 获取答案。
如果没有搜索结果，请直接 联系老师 获取答案。
相似问题和答案

第1题：

Given:When the doSomething method is called, after which line does the Object created in line 5 become available for garbage collection?()

A.Line 5

B.Line 6

C.Line 7

D.Line 8

E.Line 9

F.Line 10


参考答案：D

第2题：

Given:Which code, inserted at line 16, correctly retrieves a local instance of a Point object?()

A.Point p = Line.getPoint();

B.Line.Point p = Line.getPoint();

C.Point p = (new Line()).getPoint();

D.Line.Point p = (new Line()).getPoint();


参考答案：D

第3题：

In line 2 (Pare. 2), the word "it" refers to which of the following phrases?

A. "the intention" (line 1)

B. "the collection" (line 1)

C. "one member" (line 1)

D. "each flower family" (line 1)


正确答案：B

34．答案为B。此处考察代词的指代用法。It指前一句的表语从句，to have the collection represent at least one member of each flower family native to the United States。

第4题：

Given the following code：     1） class Parent {     2） private String name；     3） public Parent（）{}     4） }  5） public class Child extends Parent {     6） private String department；  7） public Child（） {}  8） public String getValue（）{ return name； }     9） public static void main（String arg[]） {     10） Parent p = new Parent（）；     11） }  12） }  Which line will cause error？（）   

  • A、 line 3
  • B、 line 6
  • C、 line 7
  • D、 line 8
  • E、 line 10

正确答案:D

第5题：

Given the following code fragment：      1） String str = null；  2） if （（str != null） && （str.length（） > 10）） {     3） System.out.println（"more than 10"）；     4） }  5） else if （（str != null） & （str.length（） < 5）） {     6） System.out.println（"less than 5"）；     7） }  8） else { System.out.println（"end"）； }   Which line will cause error？（）    

  • A、 line 1
  • B、 line 2
  • C、 line 5
  • D、 line 8

正确答案:C

第6题：

Given:WhichchangecanyoumaketoTargetwithoutaffectingClient?()

A.Line4ofclassTargetcanbechangedtoreturni++；

B.Line2ofclassTargetcanbechangedtoprivateinti=1；

C.Line3ofclassTargetcanbechangedtoprivateintaddOne（）{

D.Line2ofclassTargetcanbechangedtoprivateIntegeri=0；


参考答案：D

第7题：

Given the following code：     1） public void modify（） {     2） int i， j， k；     3） i = 100；     4） while （ i > 0 ） {     5） j = i * 2；  6） System.out.println （" The value of j is " + j ）；     7） k = k + 1；     8） i--；     9） }  10） }  Which line might cause an error during compilation？（）   

  • A、 line 4
  • B、 line 6
  • C、 line 7
  • D、 line 8

正确答案:C

第8题：

Given:Which code, inserted at line 15, creates an instance of the Point class defined in Line?()

A.Point p = new Point();

B.Line.Point p = new Line.Point();

C.The Point class cannot be instatiated at line 15.

D.Line l = new Line() ; l.Point p = new l.Point();


参考答案：B

第9题：

Given the following code fragment：     public void create（） {     Vector myVect；     myVect = new Vector（）；      }  Which of the following statements are true？（） 

  • A、 The declaration on line 2 does not allocate memory space for the variable myVect.
  • B、 The declaration on line 2 allocates memory space for a reference to a Vector object.
  • C、 The statement on line 2 creates an object of class Vector.
  • D、 The statement on line 3 creates an object of class Vector.
  • E、 The statement on line 3 allocates memory space for an object of class Vector.

正确答案:A,D,E

第10题：

Which is the earliest line in the following code after which the object created on the line marked （0） will be a candidate for being garbage collected， assuming no compiler optimizations are done？ （）  public class Q76a9 {   static String f（） {   String a = "hello"；   String b = "bye"； // （0）   String c = b + "!"； // （1）   String d = b；  b = a； // （2）   d = a； // （3）   return c； // （4）  }   public static void main（String args[]） {   String msg = f（）；   System.out.println（msg）； // （5）   }   }  

  • A、The line marked （1）.
  • B、The line marked （2）.
  • C、The line marked （3）.
  • D、The line marked （4）.
  • E、The line marked （5）.

正确答案:C

更多相关问题
相关内容