What does the underlined word“Serengeti”in Paragraph 4refer to？
Ahowl．
B. A team．
C. A plain．
D. A lake．
43__________
A. showed up
B. turned back
C. moved On
D. ran away
教师职业道德的核心是（）。
A. 促进人的身心发展
B. 培育“四有”新人
C. 促进社会的发展
D. 培养人的生存能力
Why are young mannies becoming popular in the United States？
A. Theyare good at computer games．
B. Theyare better trained for their jobs．
C. TheyCan get boys in more healthy activities．
D. Theycan protect the boys like big brothers．
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