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In China it is relatively usual to ask people their age, but in the west this question is generally regarded as impolite. This is particularly true 71 women, and even more 72if the inquirer (问者) is a man. However, it is very 73 to ask children their age, and some adults may not mind being asked 74 . In fact, some elderly people are quite happy to 75 the age, especially if they feel they look young 76 their age. Nevertheless, it is not very wise to ask a 77 question like "How old are you?". If elderly people want to talk about their age, and perhaps receive a compliment(恭维话) on how young they look, they may easily bring 78 the topic themselves and ask the other to 79 how old they are. 80 such a situation, it is quite acceptable to discuss age 81 They normally expect to be complimented on their youthfulness, rather than 82 that they look very old. 83 Westerners do not usually ask people directly how old they are, this does not84 that they are not interested to know how old other people ate. They may ask 85 for the information, 86 they may try to 87 the topic indirectly, sometimes discussions about educational 88 and the number of years of working experience may provide some89 , but this is not always the 90 . Of course, individuals also vary in what they are interested or willing to talk about.根据以内容,回答题。 材料题请点击右侧查看材料问题 查看材料
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【简答题】已知函数 。 (1)求函数 的定义域和值域; (2)指出函数 的单调区间。
【简答题】(本题满分10分) (1) 化简 (4分)    (2) 求函数 的定义域和值域.(6分)
【简答题】((本题14分)已知函数 ( )的图象过点(1,2),它的反函数的图象也过点(1,2)。 (1)求实数 的值,并求函数 的定义域和值域; (2)判断函数 在其定义域上的单调性(不必证明),并解不等式 。
【简答题】已知函数 (1)求函数 的定义域和值域;(2)若函数 有最小值为 ,求 的值。
【判断题】计算路基横断面挖方面积时,挖土方与挖石方的面积合在一起计算。
A.
正确
B.
错误
【简答题】求函数的定义域和值域. x 0 1 2 3 4 5 y 2 3 4 5 6 7 y =log 2 ( x 2 -2 x +2);
【简答题】(本题满分12分) 已知函数 的图象经过点 。 (1)求 的值;(2)求函数 的定义域和值域;(3)求不等式 的解集。
【简答题】已知函数 . (1)求函数 的定义域和值域: (2)指出函数 的单调区间
【判断题】计算路基横断面挖方面积时,挖土方与挖石方的面积合在一起计算。( )
A.
正确
B.
错误
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