题目内容
SECTION C NEWS BROADCAST
Directions: In this section, you will hear several news items. Listen to them carefully and then answer the questions that follow.
听力原文： President Bush told the soldiers their mission in Iraq is vital for peace and security, and that a free Iraq will be a blow to terrorists and their deadly aims.
"Part of their strategy is to use the killing of innocent people to get the American government to pull you out of there, before the mission is complete. I am going to assure you of this: that so long as I am the president, we are never going to back down. We are never going to give in. We will never accept anything less than total victory. It is important for you to know that. It is important for the enemy to know that, as well."
According to President Bush, US government ______.
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How can weekend guest eat at the cafeteria？
SECTION B PASSAGES
Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.
听力原文： There were several important discoveries in the early part of the century that helped geologists develop a more accurate picture of the earth's interior. The first key discovery had to do with seismic waves. Remember, they are the vibrations caused by earthquakes. Well, scientists found that they travel thousands of miles through the earth's interior. This finding enabled geologists to study the inner parts of the earth.
You see, these studies revealed that these vibrations were of two types: compression or P-waves and shear or S-waves. And researchers found that P-waves travel through both liquids and solids while S-waves travel only through solid matter. In 1906, a British geologist discovered that P-waves slowed down at a certain depth but kept traveling deeper. On the other hand, S-waves either disappeared or were reflected back. So he concluded that the depth marked the boundary between a solid mantle and the liquid core. Three years later, another boundary was discovered, that between the mantle and the earth's crust.
There are still a lot to be learned about the earth. For instance, geologists know that the core is hot. Evidence of this is the molten lava that flows out of volcanoes. But we are still not sure what the source of the heat is.
What is the purpose of the talk？
在Word2003，选定文档的非最后一段，进行有效分栏操作后，必须在_______视图中才能看到分栏的效果。
甲给乙发消息，说其同意签订合同，随后甲反悔，不承认发过此消息，为了预防这种情况的发生，应采用_______技术。
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