题目内容
波动中，波速和介质质元的振动速度相同。
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Task 1 Fill in the blanks with the given words or expressions. Change the form where necessary.1. Our business objects can also be ________ to show the users only information they are interested in.（design）2. Regular exercise is part of a _________ lifestyle. （health）3. Everybody likes to join in this _________ .（active）4. We should take periodic training in _________ ability all over the year.（physically）5. We should _________________ the salt in our diet.（cut down on）6. Seven is two ___________________ nine.（less than）
Task 2 Fill in the blanks with proper words according to the passage.Sit Less, Live LongerThe human body is1. Sitting seems to2 in our lives today.Americans usually sit between four and a3hours a day.A standing desk lets people stand4. You may exercise often. Even that does not mean you can sit for the rest of5.
个人将其所得向教育事业和其他公益事业捐赠，可以从应纳税所得额中扣除的比例最高为()
子女教育专项附加扣除是指纳税人的子女接受学前教育和学历教育的相关支出，按照每个子女每月( )元的标准定额扣除。
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