【单选题】At prices ($4, $12), Harry chooses the bundle (9, 4). At the prices ($8, $4), Harry chooses the bundle (2, 9). Is this behavior consistent with the weak axiom of revealed preference?
C.
It depends on his income
D.
We would have to observe a third choice to be able to say
【单选题】We his income at/to be about $8000 a year.
【判断题】某企业外购A、B两种材料,其中A材料的买价为100000元,B材料为300000元,运杂费为5000元。如果按材料买价分摊运杂费,则A材料的取得成本为102500元。
【多选题】对于作用在建筑结构上的荷载,根据作用时间性质可分为( )。
【简答题】定义一个数组@cards,存储1副扑克牌的牌面。 A1为黑心1,依次类推到A13。 B1为红心1,依次类推. C1为梅花1,。。。 D1为方片1,。。。 K为大王,k为小王。 随机将扑克牌分发给两个数组:@player1,@player2. 用push和splice命令。
【单选题】资本主义政党的实质是
D.
资产阶级选择自己的国家管理者,实现其内部利益平衡的政治机制
【简答题】听下面一段材料,回答第1-3题。 1. What is the possible relationship between the two speakers? A. Workmates. B. Husband and wife. C. Neighbours. 2. What do we learn about Mary? A. She wants to set up a web design c...
【简答题】1. We can't afford to fall _________ (A into B for C for D behind) other business in using new technology. 2. Realizing that his retirement was near _____ (A in B with C by D at )hand, he looked for...
【单选题】执行以下程序段后输出结果是:main(){ int y=10; do{y--;}while(--y); printf("%d\n",y--);}