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Questions 39-40Answer the following questions using NO MORE THAN THREE WORDS for each answer What 2 methods can an alumni association use to keep you up-to-date（）

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Thank you for your purchase of our Buick (别克) car at Shanghai GM (上海通用汽车) . We try our best to provide you with world-class service. To better ensure your rights please complete and return the Owner Information Form to Shanghai GM Marketing Department within 30 days from the date of the car delivery (交付) . You will receive our Buick Owner newsletter with the latest information on our product aftersales service car care etc ...

设函数f(x)在(-∞，+∞)上有定义，在区间[0，2]上，f(x)=x(x2-4)．若对任意的x都满足f(x)=kf(x+2)，其中k为常数． (1) 写出f(x)在[-2，0]上的表达式． (2)问k为何值时，f(x)在x=0处可导．

Do the following statements agree with the information given in the textWrite TRUE if the information in the text agrees with the statement.Write FALSE if the information in the text contradicts the statement.Write NOT GIVEN if there is no information on this. Tall people are more likely to suffer from heart disease.（）

The European welfare state ______ is generally wider than the American one.