As a schoolboy I already knew the sun ____ the center of the solar system
选项:
A:
is
B:
was
C:
are
D:
were
is
was
are
were
以下文字与答案无关
提示:有些试题内容 显示不完整,文字错误 或者 答案显示错误等问题,这是由于我们在扫描录入过程中 机器识别错误导致,人工逐条矫正总有遗漏,所以恳请 广大网友理解。
was
B:be
C:is
D:are
which
B:that
C:how
D:where
“All planets in the solar system follow elliptical orbits with the Sun located at one focus of the ellipse.” This statement is best summarized by which one of the following choices?
选项: A:Kepler’s First Law
B:Kepler’s Second Law
C:Newton’s Universal Law of Gravitation
D:Einstein’s Law of Gravity
E:Schwarzchild’s Law of Orbits
knew
B:would know
C:have known
D:had known
A、Metric System
B:B、British System
C:C、U.S. System
D:D、French System
import java.util.Scanner;
public class Main {
public static void main(String] args) {
Scanner sc=new Scanner(System.in);
String str=sc.nextLine();
char x]=(2分);
int a=0;
int b=0;
int c=0;
int d=0;
for(int i=0;(2分);i++){
char ch=xi];
if((2分))
a++;
else if((2分))
b++;
else if(ch==' ')
(2分);
else
d++;
}
System.out.println("letters="+a);//输出英文字母个数
System.out.println("digits="+b);//输出数字个数
System.out.println("spaces="+c);//输出空格个数
System.out.println("others="+d);//输出其他字符个数
}
}
are making
B:is making
C:was making
D:were making
rusted
B:used
C:corrupted
D:salted
in
B:to
C:on
D:from
Metric System
B:British System
C:U.s. System
D:French System
}
}
选项: A:错误:方法参数与变量不匹配
B:20 and 40
C:10 and 40
D:10 and 20
">15.以下代码的输出结果为( )。public class Pass{
static int j = 20;
public void amethod(int x){
x = x*2;
j = j*2;
}
public static void main(String args]){
int i = 10;
Pass p = new Pass();
p.amethod(i);
System.out.println(i+" and "+j);
}
}
选项: A:错误:方法参数与变量不匹配
B:20 and 40
C:10 and 40
D:10 and 20
——I_ __ my work, and I wanted to go out
A. have you done;finished
B.were you doing, have finished
C. did you do; had just finished
D. were you doing; had just finished
}
程序运行的输出结果为(2分)
">17.请写出以下程序运行结果://环境 JDK 1.5及以上
public static void main(String args])
{
Set<Integer> set=new TreeSet<Integer>();
List<Integer> list=new ArrayList<Integer>();
for (int i=-3;i<3;i++)
{
set.add(i);
list.add(i);
}
for (int i=0;i<3;i++)
{
set.remove(i);
list.remove(i);
}
System.out.println(set+" "+list);
}
程序运行的输出结果为(2分)
application program
B:system
C:operating system
D:control unit
There are 24 solar terms in traditional Chinese lunar calendar.
B:In the Spring and Autumn Period, there were eight solar terms.
C:Before the Western Han Dynasty, the Start of Spring was set as the Spring Festival.
D:In 1913, the first day of the first month of the lunar year was officially set as the Spring Festival.
nice
B:beautiful
C:bright
D:brightly