题目内容
综合所得税制采用的纳税方法是()。
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第二节 完型填空
阅读下面短文，从短文后所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的最佳选项。
Here is some advice on food shopping. The 【B1】 family spends about one-sixth of its income 【B2】 food. Because food is expensive, it is important to spend the money 【B3】 when you shop. A careful shopper can prepare nourishing and delicious meals 【B4】 . Here are some tips to help you shop better.
Buy only the food you need. There are several ways to avoid 【B5】 extra food. First, make a shopping list before you go to the store. Then, when you are at the store, 【B6】 your list carefully. Furthermore, do not go shopping if you are hungry. When you are hungry, foods look very 【B7】 and you want to buy more than you need. 【B8】 , go shopping alone if you can. If you shop with young children, they often ask you to buy them 【B9】 food like candy.
When you have a 【B10】 , choose the least expensive brand of a product. There are three points to remember when you buy 【B11】 tomatoes, for example. First look at the advertisements in the newspaper to see if your supermarket is 【B12】 a "special" on canned tomatoes. In addition, when you are in the store, you should check 【B13】 per pound of tomatoes. Sometimes you save money if you buy the larger size can; sometimes, 【B14】 , you do not. Third, remember that a grade A product or a more expensive product is not necessarily more healthful than a grade B or less expensive product. Grade A tomatoes may look 【B15】 , but all canned tomatoes have the same nutrients.
Shoppers seem to have 【B16】 difficulties when they buy fresh fruits and vegetables. There are several things to consider when buying fresh foods. Because fresh foods 【B17】 if they are not used, you have to buy the correct amount 【B18】 the number of people you are serving. In addition, plan to use fresh foods that are in season because fresh foods that are generally less expensive then, 【B19】 choose fruits and vegetables that have a bright, fresh color. A good color is often a 【B20】 that the food has a lot of vitamins.
【B1】
已知X服从指数分布Exp(0.1),则P(5≤X≤20)=________。
如果一项投资不能产生利润，那么以投资为基础的减轻赋税就是毫无用处的。任何—位担心新资产不会赚钱的公司经理都不会因减轻公司本来就不欠的税款的允诺而得到安慰。下面哪项是从上文得出的最可靠的推论？
基本以下题干，回答问题
三名女士——R、S和T，两名男士——U和V以及4个孩子——W、X、Y和Z参加一个游戏。该游戏中共有9个席位，且这9个席位处于游戏场的3个不同的区域，每个区域中有3个相邻的席位。在游戏中这9个人必须根据以下条件分成3组；
(1)相同性别的成年人不能在同一组中；
(2)W和R不能在同一组中；
(3)X必须与S，或与U，或与S和U在同一组中。
若及是某一组中惟一的一个成年人，则该组中：的另两个成员一定是：
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