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【简答题】
MCS-51单片机片内共有（）字节单元的ROM，（）字节单元的RAM。
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举一反三
【单选题】What did The New York Times newspaper publish in 1971?
A.
Secret activities of some very important people.
B.
Secret documents concerning of the press.
C.
News that was enering national security.
D.
American involvement in the Vietnam War.
【单选题】What did the man do last night?
A.
He has a discussion about abstract theories.
B.
He talked with some native speakers.
C.
He had a meeting with Dr.Brown.
D.
He attended a speech.
【单选题】what did the man do last night?
A.
He had a discussion about abstract theories
B.
He talked with some native speakers
C.
He had a meeting with Dr. Brown
D.
He attended a speech
【单选题】有以下程序 #include＜iostream．h＞ void fun(int a，int b，int c) {a=456，b=567，c=678；} void main() { int x=10，y=20，z=30； fun(x，y，2)； cout ＜＜ X ＜ ＜ ‘，’ ＜ ＜ y ＜ ＜ ‘，’ ＜ ＜ z ＜ ＜ endl； } 输出结果是
A.
30，20，10
B.
10，20，30
C.
456，567，678
D.
678，567，456
【单选题】#include "stdio.h" void main() { void swap(int a,int b); int a,b; a=3;b=10; swap(a,b); printf("a=%d,b=%d\n",a,b); } void swap(int a,int b) { int temp; temp=a; a=b; b=temp; } 下面的说法中,正确的是________。
A.
在main()函数中调用swap()后，能使变量a和b的值交换
B.
在main()函数中输出的结果是：a=3,b=10
C.
程序第2行的语句int swap();是对swap()函数进行调用
D.
swap() 函数的类型是void
【单选题】下列程序的执行结果为( )。 #include void main { int a=3，b=0； int*P =&a； b=+a++； cout$amp;
A.
3，4
B.
4，3
C.
3，4
D.
4，4
【单选题】What did Cathy came back to do?
A.
To have a get-together party.
B.
To visit her fellow students.
C.
To spend her holiday in China.
D.
To talk to Michael on the phone.
【单选题】#include void swap(int a,int b); void main() { int a=2,b=3; printf("a=%d,b=%d\n",a,b); swap(a,b); printf("a=%d,b=%d\n",a,b); } void swap(int a,int b) { int c; c=a; a=b; b=c; }
A.
a=2,b=3 a=2,b=3
B.
a=3,b=3 a=2,b=3
C.
a=2,b=3 a=3,b=3
D.
a=2,b=3 a=2,b=2
【单选题】What did the speaker finally settle down to do?
A.
Studying legal writing
B.
Attending a college
C.
Being a teacher.
D.
Teach English
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