A. potato chips
B. popcorn
C. cheese curls
D. nuts
解析:选A。细节理解题。从第三段可知,CEO喜欢的食物是potato chips。
Ⅲ. 任务型读写
(2009年安徽一模)Like dogs,birds breathe in air and get oxygen to supply body tissues,while fish breathing depends on getting oxygen from water through parts of its body.
However,bird respiration(呼吸)is different from dogs and is much more efficient than that of other animals. The lungs take up just 2 percent of a bird’s body volume,yet the bird quickly takes in large amounts of oxygen and quickly removes waste and excess heat.
There are actually two respiration systems,internal and external.
The external respiration system uses the lungs and a series of air sacs(袋囊)distributed throughout the body so that the oxygen supply is in direct communication with body parts. Oxygen is taken in and exchanged for carbon dioxide waste in the blood;then the carbon dioxide is moved out. So far,much like dogs.
However,in an important difference,the air flow in a bird is one way,through a series of tubes and cells,rather than two ways,in and out of the lungs,as it is in dogs. A constant stream of air goes through lungs and then is channeled through the complex system of air sacs,which also help remove excess heat,as well as through hollow bones. The gases are then channeled forward through the lungs again,then through more air sacs,finally ending up in the windpipe,and are expelled from the body.
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