题目内容
______ me most was that the young boy who had lost both arms in an accident could handle a
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Air pollution involves the release into the atmosphere【C1】______ gases, finely divided solids, or finely dispersed liquid aerosols at rates that【C2】______ the capacity of the atmosphere to dissipate them or to dispose【C3】______ them through incorporation into solid or【C4】______ layers of the biosphere. Air pollution【C5】______ a variety of causes, not all of which are【C6】______ human control. Dust storms in desert areas and smoke from forest and grass fires【C7】______ to chemical and particulate pollution of the air. Forest fires that swept the state of Victoria, in Australia, in 1939 caused【C8】______ air pollution in Queensland, more than 2,000 miles (3,000 kilometres) away. Dust blown from the Sahara has been【C9】______ in West Indian islands. The discovery of 【C10】______ in Antarctica, where they have never been used, suggests the【C11】______ to which aerial transport can carry pollutants from one place to another. Probably the most important natural【C12】______ of air pollution is volcanic activity , which at times【C13】______ great amounts of ash and toxic【C14】______ into the atmosphere. The eruptions of such volcanoes as Krakatoa, in the East Indies, Mt. St. Helens, in Washington, and Katmai, in Alaska, have been 【C15】______ to 【C16】______ climatic changes.
Air pollution may affect humans directly, causing a smarting of the【C17】______ or coughing. More indirectly, the effects of air pollution are experienced at【C18】______ distances from the source, as, for example, the fallout of tetraethy lead from urban automobile【C19】______ which has been observed in the oceans and on the Greenland ice sheet. Still【C20】______ directly experienced are the possible effects of air pollution on global climates.
【C1】
听力原文： Rescuers with listening devices sensitive enough to pick up a whimper or faint tapping searched Tuesday for victims feared buried in a mudslide that sent trees and dirt thundering onto this seaside hamlet, killing at least six people. There was hope of finding survivors because searchers were discovering spaces under the debris large enough to hold people, Ventura County Fire Chief Bob Roper said as darkness fell on the rescue effort for a second night. Authorities said around a dozen people were missing, and 10 had been injured.
What kind of natural disaster happened on Tuesday in La Conchita, California？
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： The McDonald's fast food company is faxing legal action by people who say its food made them fat and sick. In New York City, legal action was recently brought against McDonald's and four other fast-food companies. The lawsuits charge that these companies have not warned people that this kind of food could be harmful. About one-hundred of seventy-thousand American fast-food restaurants sell food that is high in fat, sugar and calories. They include potatoes cooked in oil and meat sandwiches called hamburgers. The restaurants also serve sweet soft drinks.
What's this news mainly about？
听力原文： The Pentagon has issued a statement asserting the military is prepared to protect its personnel from possible biological weapons attack. On the surface, the Pentagon's assertion that it can protect military personnel from bioweapons seems both obvious and unnecessary. But officials say the unusual statement was intended to reassure troops, following some controversial remarks by the Army's top biological weapons defense expert
What statement has been issued by the Pentagon？
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