Mr. Brown is 102 years old. He is leading a full and active life. Why has he (21) so long Many (22) would like to know the answer to the question. They are studying groups of old people all over the world and try to find why some very old people remain healthy (23) and spirit (精神) while (24) be come weak and iii in their 60s. They have observed, first of all, that doing (25) work is a way of life for all these long-lived people. They began their long days of physical labor (26) children and never seem to stop. Second, all these people come from (27) . The air has (28) oxygen (氧) and is pollution free, (29) makes the hearts stronger. Third, these people eat little animal meat. They like to have fresh vegetables, nuts (坚果) , grains, and (30) They never eat more food than their bodies need.
21（）
He landed in this country when he was 4 years old without a word of English, and there he has recently graduated with honors from Loyola Academy. An immigrant kid whose family rents an apartment in a city two-flat, lie attended the North Shore School with full scholarship. All the aunts and uncles were so proud that they made their way from the old country or from various comers of this country to celebrate his graduation. A debate is raging about whether immigrant children should first be taught English, then their other subjects; or whether they should be taught other subjects in their native tongue as they are more gradually introduced to English over two to three years. California voters recently banished the gradual approach--bilingual education--in favor of immersion in the English language. The Chicago public schools in February put a three-year deadline on moving into all English classes in-most cases. But that was never an issue for this graduate, and it never came up fo
A. He would choose properly which language to use.
B. He bad to use English most of the lime.
C. His parents wanted him to use his native tongue.
D. Somebody told him what lie should do about it.
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