The present day African-American population, like many other ethic (1)______ groups, is several generations removed from their o

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问题     The present day African-American population, like many other ethic (1)______
groups, is several generations removed from their original land. However, (2)______
many practices and habits have been lost, dropped, stimulated, or modified. (3)______
The greatest influence on many African-American families is the lifestyle of
their parents or grandparents who lived in the southern United States.
    Historically, African-American rites revolved food. The popular term for (4)______
African-American cooking is "soul food". Many of these foods are rich with (5)______
nutrients, as found in collard greens and other leafy green and yellow veg
etables. Other parts of the diet, however, are little in fiber, calcium, and high in fat. (6)______
    With high incidence of diabetes, hypertension, heart disease, and obe
sity, some African-Americans have paid a high cost for this lifestyle. Eco- (7) ______
nomically disadvantaged families may have no other choice but to eat what
is available at low cost.
    Common ways for African-Americans to prepare for food include fry- (8)______
ing, barbecuing, and serving foods with gravy and sauces.
    Homely baked cakes and pies are also common. Many African-Ameri- (9)______
cans are Protestant and have no specific food restrictions. A large selection
and variety of food is prepared and much attention is given to individual’s
favorite dishes. Cultural diversity is a major issue in American eating. To
fully understand the impact cultures play in American nutrition, he must (10)______
study both food and culture.
(4)

选项

答案∧ food — around

解析 revolve既可以作及物动词也可以作不及物动词,作及物动词时的意思是“使……旋转”,作不及物动词时的意思是“以……为主题、以……为中心”。从上下文可以看出此句中revolve的含义是“以……为中心”,是不及物动词,所以必须加上介词around。
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