题目内容
Health food is a general term applied to all kinds of foods that are considered more healthful than the types of foods widely sold in supermarkets. For example, whole grains, fried beans, and corn oil are health foods. A narrower (47) of health food is natural food. This term is used to (48) between types of the same food. Raw honey is a natural sweetener, (49) refined sugar is not. Fresh fruit is a natural food, but canned fruit, with sugars and other additives, is not.The most (50) term of all and the narrowest classification within health foods is organic food, used to (51) food that has been grown on a particular kind of farm. Fruit and vegetables that are grown in gardens, that are (52) only with organic fertilizers, that are not sprayed with (53) insecticides (杀虫剂),and that are not refined after harvest, are organic foods. Meat, fish, dairy and poultry products from animals that are (54) only organically grown feed and that are not injected with hormones (荷尔蒙) are organic foods.In choosing the type of food you eat, then, you have basically two choices: inorganic, processed foods, or organic, unprocessed foods. A wise decision should (55) investigation of the allegations that processed foods contain (56) , some of which are proven to be toxic (有毒的), and that vitamin content is greatly reduced in processed foods. 54（）
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包扎大腿应用( )。
公安机关是行政执法和刑事司法机关，人民警察是代表公安机关履行职责、行使职权的执法人员。 ( )
Proper street behavior in the United States re quires a nice balance of attention and inattention. You are supposed to look at a (62) just enough to show that you are (63) of his presence. If you look too little, you appear proud, (64) much and you are curious. Usually what happens is that people (65) each other until they are about eight feet (66) , at which point both east down their eyes. Sociologist Erring Goffman (67) this as "a kind of dimming of lights."Much of eye behavior is so (68) that we react to it only on the intuitive level. The next time you have a (69) with someone who makes you feel liked, notice what he does with his eyes. (70) are he looks at you more often than is usual with (71) a little longer than the normal. You interpret this as a sign—a polite one— (72) he is interested in you as a person (73) than just in the topic of conversation. Probably you also feel that he is both (74) and sincere.All this has been demonstrated in elaborate (75) . Subjects sit and talk in the psychologist’s laboratory, (76) of the fact that their eye behavior is being (77) from. a one-way vision screen. In one fairly typical experiment, (78) were induced to cheat while performing a task, then were (79) and observed. It was found that those who had (80) met the inter viewer’s eyes less often than was (81) , an indication that "shifty eyes"—to use the mystery writers’ stock phrase—can actually be a tip-off to an attempt to deceive or to feelings of guilt. 66（）
公安机关的根本属性是它的阶级性。 ( )
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