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问题 单项选择题

在测试停留刹车系统时，发现停留刹车工作时刹车压力下降太快，下面哪种说法是错误的（）

A.储压器预充压力可能太低

B.正常刹车计量活门回油系统可能有渗漏

C.停留刹车关断活门可能有渗漏

D.刹车防滞活门可能有渗漏

答案

参考答案：D

阅读理解

E
Welcome to our school. You can do a lot of things here. Come and join us.
Timetable
Sunday
8:30---11:30
Personal Inventions
You can see many inventions by the students;
you may also bring your own inventions.
Monday
19:00---21:00
Space and Man
Dr. Thomas West
If you want to know more about the universe (宇宙).
Wednesday
19:30---21:00
Modern Medicine
Mrs. Lucy Green
Would you like to know medical science?
Friday
18:30---21:00
Computer Science
Mr. Harry Morison from Harvard University
Learn to use Windows XP.
72. You may have a chance to introduce your inventions on _________.
A. Wednesday        B. Monday        C. Sunday        D. Friday
73. The person who teaches Computer Science is from___________.
A. Canada          B. Australia       C. New Zealand       D. America
74. You may learn something about a disease (疾病) called TB from __________.
A. Dr. West         B. Mr. Morison     C. Mrs. Green         D. Mr. Thomas
75. If you want to learn something about satellites (卫星), you can go to the class from______.
A. 8:30 to 11:30 on Sunday                    B. 19:00 to 21:00 on Monday
C. 19:30 to 21:00 on Wednesday                D. 18:30 to 21:00 on Friday
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单项选择题

有下列程序： #include＜iostream＞ using namespace std; class TestClass { private: int x,y; public: TestClass (int i,int j) { x=i； y=j; } void print() { cout＜＜"printl"＜＜endl； } void print ()const { cout＜＜"print2"＜＜endl; } }; int main() { const TestClass a(1,2); a.print(); return 0; } 运行该程序后的输出结果是( )。

A．print1

B．print2

C．pfint1 print2

D．程序编译时出错
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