Shannon bakes cookies and Justin grows
vegetables. In which of the following cases is it impossible for
both Shannon and Justin to benefit from trade? ()
A: Shannon does not like vegetables and Justin
does not like cookies.
B: Shannon is better than Justin at baking
cookies and Justin is better than Shannon at growing vegetables.
C: Justin is better than Shannon at baking
cookies and at growing vegetables.
D: All of the above are correct.
vegetables. In which of the following cases is it impossible for
both Shannon and Justin to benefit from trade? ()
A: Shannon does not like vegetables and Justin
does not like cookies.
B: Shannon is better than Justin at baking
cookies and Justin is better than Shannon at growing vegetables.
C: Justin is better than Shannon at baking
cookies and at growing vegetables.
D: All of the above are correct.
举一反三
- Shannon做曲奇,Justin种蔬菜。以下哪一项情况下Shannon和Justin都不可能从贸易中获益?____ A: Shannon不喜欢蔬菜,而Justin不喜欢曲奇 B: Shannon比Justin更擅长做曲奇,而Justin比Shannon更擅长种蔬菜 C: Justin比Shannon更擅长做曲奇,也更擅长种蔬菜 D: 以上所有情形中,Shannon和Justin都能从贸易中获益
- What does James call Justin for according to the 2nd message? A: Justin is fired and James calls to inform him. B: Justin is selected for the internship at Genecal and James asks him to call back. C: Justin gets promotion and James calls to congratulate him. D: Justin refused the offer and James calls to ask for why.
- Discusswithyourclassmateswhetherthereare...ursfaithfully,Justin
- Maggie: Could I speak to Justin, please Justin: __________. A: Yes, please. B: Yes, you can. C: Speaking. D: Who are you
- Shannon编码、Fano编码和Huffman编码中，编码方法惟一的仅有Shannon编码。