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【简答题】
Dad quit drinking exactly one year before I was born. He joined a group of other people. He said they __1. __ (stop) drinking, too. I loved my dad __2. _ I hated the way his weekly meetings took him away from me. It seemed that they were more important to him than I was. But with my birthday coming up I thought Dad __3. __ (make) an exception. I begged him not to miss it but __4. __ (refuse). He said, “I am chairing the meeting this Saturday. We __5. __ (have) your party on Sunday. Why not come with me together tonight? It's an open meeting. All __6. _ (be) welcome.” I agreed. Maybe I needed to see why something Dad did every week mattered so much. After we arrived, Dad announced __7. __ theme of the meeting was going to be gratitude. He told his story about giving up smoking. __8. r__ (late), a man called Dave also told his story. Only then did I know it was Dad that saved his life __9. __ drinking. Showing up week after week and meeting with people, Dad __10. __ (change) lives. Shame washed over me.
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举一反三
【单选题】If two goods are perfect complements,
A.
indifference curves have a positive slope.
B.
consumers will only buy the cheaper of the two goods.
C.
there is a bliss point and the indifference curves surround this point.
D.
None of the above.
【单选题】If the indifference curves between two goods are L-shaped, the goods are
A.
complementary goods.
B.
substitute goods.
C.
normal goods.
D.
inferior goods.