【单选题】【消耗次数:1】
What is their main () of income?
source
origin
save
order
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相关题目
【单选题】 What is the correct serving order of western dishes?
①  appetizer, soup, side dishes, main course, dessert, coffee/tea.
②  soup, appetizer, dessert, side dishes, main course, coffee/tea.
③  side dishes, appetizer, soup, main course, dessert, coffee/tea.
④  dessert, coffee/tea, side dishes, appetizer, soup, main course.
【单选题】 Waiter: ___Customer: No, thank you. I have already known what to order.
①  Do you like this kind of dishes?
②  You are welcome to our restaurant. Take seat, please.
③  Would you like to see a menu?
④  Everybody! Order, please!
【单选题】 7. They hope to_________the source of the infection.
①  track down
②  look down
③  look at
④  back down
【单选题】 People are spending more of their income on goods such as cars and household ________ .
①  facilities
②  appliances
③  instruments
④  equipment
【单选题】 This technical ( ) will save us much time and labor.
①  challenge
②  innovation
③  adventure
④  destruction
【单选题】 __________ all our efforts to save the school, the authorities decided to close it.
①  As for
②  Besides
③  Except
④  Despite
【单选题】 Are you ready to order desert, please?
①  Yes, please
②  Please don’t order it
③  No, don’t mention it
④  Yes, I’d like to have some chocolate cake
【单选题】 When college students ___ future employment, they often think of status, income, and prestige.
①  demand
②  assume
③  apply
④  anticipate
【单选题】 In order to improve English, ______.
①  Jane’s father bought her a lot of tapes
②  Jane bought a lot of tapes for herself
③  a lot of tapes were bought for her by Jane’s father
④  a lot of tapes were bought by Jane
【单选题】 As you know, when college students __________ their future employment, they often think of status and income.
①  apply
②  demand
③  anticipate
④  suppose
随机题目
【单选题】 S=Q×Q, Q为有理数集, *为 S 上的二元运算, áa,b?,áx,y?∈S, 有áa,b?*áx,y?=áax, ay+b?,则*运算的幺元(单位元)是:
①  á0,0?;
②  á0,1?;
③  á1,0?;
④  不存在。
【单选题】 格中的保交和保联运算,可以不用满足下面哪个条件:
①  可交换;
②  可结合;
③  吸收律;
④  分配律。
【单选题】 设 复数集合C上的加法运算+,则代数是:
①  是代数不是半群;
②  是半群不是独异点;
③  是独异点不是群;
④  是群。
【单选题】 设S = {0, 1}, *为模 2 加法, ○为模 2 乘法,则可构成:
①  不是代数系统;
②  环不是域;
③  域;
④  布尔代数。
【单选题】 设 {0,1}集合A上的布尔加+与布尔乘*,则代数是:
①  是含幺环不是整环;
②  是交换环不是整环;
③  是整环不是域;
④  是域。
【单选题】 设集合L = {1, 2, 3, 6, 12},对于整除关系能够构成:
①  仅偏序集不是格;
②  仅格不是分配格;
③  仅分配格不是布尔代数;
④  布尔代数。
【单选题】 设S={1, 2, 3, 6}, ○和*分别表示求最小公倍数和最大公约数运算,则可构成:
①  不是代数系统;
②  环不是域;
③  格不是布尔代数;
④  布尔代数。
【单选题】 设集合L = {1, 2, 3, 6},对于整除关系能够构成:
①  仅偏序集不是格;
②  仅格不是分配格;
③  仅分配格不是布尔代数;
④  布尔代数。
【单选题】 所有奇数集合上的普通的加法和乘法运算,下面说法不正确的是:
①  都可交换;
②  都可结合;
③  都没有零元;
④  运算都封闭。
【单选题】 设集合L = {1, 2, 3, 4, 6, 9, 12, 18, 36},对于整除关系能够构成:
①  仅偏序集不是格;
②  仅格不是分配格;
③  仅分配格不是布尔代数;
④  布尔代数。