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【简答题】
已知函数f（x）= m · n ，其中 m =（sinωx+cosωx， cosωx）， n =（cosωx-sinωx，2sinωx）（ω＞0），若f（x）相邻两对称轴间的距离小于 。 （1）求ω的取值范围； （2）在△ABC中，a，b，c分别是角A，B，C的对边，a= ，b+c=3，当ω最大时，f（A）=1，求△ABC的面积。
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【单选题】Why was the author a little surprised?
A.
Because the hostess prepared several dishes for her.
B.
Because the hostess had been with her all the time.
C.
Because the author took delicious food at that time.
D.
Because the author find the food in the oven.
【单选题】卫生事业的社会功能包括
A.
发展社会经济，维护社会安定
B.
建设精神文明，保障基本人权
C.
发展社会经济，建设精神文明，保障基本人权和维护社会安定
D.
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She wanted to know more about it.
B.
She was a new comer and felt lonely.
C.
She wanted to learn a new language.
D.
She was interested in social activities.
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A.
to use
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to be using
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using
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being used
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【单选题】卫生事业的社会功能包括（）
A.
发展社会经济，维护社会安定
B.
建设精神文明，保障基本人权
C.
发展社会经济，建设精神文明
D.
维护社会安定，保障基本人权
E.
建设精神文明，维护社会安定
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