The decision is effective only when its permanent members can reach an agreement because______.
A. every permanent member has the right to refuse a decision
B. all the permanent members won in the World War II
C. the other members of the Security Council are controlled by the permanent members
D. they represent the whole world
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听力原文:W: The red coat is $45 and the black one is $35. Which one do you want?
M: Neither. I want that large yellow one. How much is it?
W: It's twice as much as the black one.
How much is the yellow coat?
A. $20.
B. $45.
C. $70.
D. $90.00
听力原文:W: I am sorry, but I can't find the book you lent me.
M: That's OK.
W: I really feel bad about it. Let me buy you a new one.
M: No. Don't be silly. I wouldn't dream of letting you do that.
What is the woman doing?
A. Complaining.
B. Apologizing.
C. Explaining.
D. Crying.
听力原文:W: I think several people must have been killed in that road accident.
M: There were 2 men in the truck and 3 women and a child in the car. Fortunately, no one was badly hurt.
How many people died in the accident?
A. 2 men.
B. 3 women.
C. None.
D. One child.
若有以下程序: #include<iostream> using namespace Std; Class Base {public: Base() {x=0;} int x;}; class Derivedl:virtua1 public Base {public: Derived1() {x=10;}}; class Derived2:virtual1 public Base {public: Derived2()
A. 20
B. 30
C. 10
D. 0