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【单选题】
常温下，下列混合溶液的一定大于7的是（ ）A.
0.01mol/L的盐酸和0.01mol/L的NaOH溶液等体积混合
B.
pH=3的醋酸和pH=11的NaOH溶液等体积混合
C.
0.01mol/L的盐酸和0.01mol/L的氨水溶液等体积混合
D.
pH=3的盐酸和pH=11的氨水溶液等体积混合
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【简答题】单词拼写。 1. I often play with Julie. She is my ________ (亲密的) friend. 2. Jacky Chen often becomes a ________ (英雄) in his films. 3. She spends lots of time__________(练习)reading English. 4. Life is like __...
【单选题】If she spends all of her income on breadfruits and melons, Natalie can just afford 9 breadfruits and 10 melons per day. She could also use her entire budget to buy 3 breadfruits and 12 melons per day....
A.
313 yen
B.
317 yen
C.
312 yen
D.
309 yen
【单选题】下列关于三部门宏观经济均衡条件的说法中，正确的是（ ）。
A.
储蓄=投资
B.
储蓄+政府的净税收收入=政府购买+投资
C.
储蓄+政府的净税收收入+政府购买=投资
D.
储蓄=政府的净税收收入+政府购买+投资
【单选题】Phyllis spends her income on beer and pretzels, and a six pack of beer costs the same as a bag of pretzels. If she is in consumer equilibrium, we know:
A.
she buys the same quantities of six packs of beer and bags of pretzels.
B.
she gets the same marginal utility from the last six pack of beer as from the last bag of pretzels.
C.
she gets the same total utility from beer as she does from pretzels.
D.
that all of the above are true.
【单选题】If she spends all of her income on uglifruit and breadfruits, Maria can just afford 11 uglifruit and 4 breadfruits per day. She could also use her entire budget to buy 3 uglifruit and 8 breadfruits pe...
A.
115 pesos
B.
119 pesos
C.
114 pesos
D.
105 pesos
【单选题】If she spends all of her income on lemons and tangerines, Isabella can just afford 30 lemons and 8 tangerines per day. She could also use her entire budget to buy 6 lemons and 14 tangerines per day. T...
A.
372 guineas
B.
377 guineas
C.
371 guineas
D.
363 guineas
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