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Some people have returned home despite the possible danger.

A. 对
B. 错

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In 1991 Philippines witnessed the second largest volcanic eruption that hit an area with large population.

A. 对
B. 错

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Questions 11～13 are based on the following talk. You now have 15 seconds to read Questions 11～13. What will happen to the programs of television of the future

A. [A] All TV sets can receive some programs without paying money in a certain area.
B. [B] You may pay for some special programs if you like.
C. [C] If you are interested in a certain subject, you may borrow some video tapes about it.
D. [D] All of the above.

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产生下列问题的原因是黏合剂选择不当或黏性不足( )

A. 黏冲
B. 片重差异超限
C. 裂片
D. 崩解度不合格
E. 均匀度不合格

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下列程序使用CardLayout管理了2张卡片，每张都是一个Panel，每个Panel有一个Button，单击按钮，显示下一张卡片中的内容。请将程序补充完整。注意：不改动程序结构，不得增行或删行。 import java.awt.; import java.awt.event.; public class ex3 implements private Panel p1,p2; private Button btn1,btn2; private Frame frm; private CardLayout cl; public static void main(String[] args) ex3 tt=new ex3(); tt.method(); public void method() Frm=new Frame("CardLayout"); Cl=new CardLayout(); btn1=new Button("Card1"); btn2=new Button("Card2"); pl=new Panel(); p2=new Panel(); p1.add(btn1); btn1.addActionListener(this); p2.add(btn2); frm.SetLayout(cl); frm.add(pl,"Layer1"); frm.add(pl,"Layer1"); frm.SetSize200,200); frm.SetVisible(true); public void actionPerformed(ActionEvent ae) __

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Some people have returned home despite the possible danger.

A. 对 B. 错

In 1991 Philippines witnessed the second largest volcanic eruption that hit an area with large population.

Questions 11～13 are based on the following talk. You now have 15 seconds to read Questions 11～13. What will happen to the programs of television of the future

产生下列问题的原因是 黏合剂选择不当或黏性不足( )

A. 对
B. 错

产生下列问题的原因是黏合剂选择不当或黏性不足( )