甲是乙公司采购员，已离职。丙公司是乙公司的客户，已被告知甲离职的事实，但当甲持乙公司盖章的空白合同书，以乙公司名义与丙公司洽购100吨白糖时，丙公司仍与其签订了买卖合同。根据合同法律制度的规定，下列表述中，正确的是()
A.甲的行为构成无权代理，合同效力待定
B.甲的行为构成无权代理，合同无效
C.丙公司有权在乙公司追认合同之前，行使撤销权
D.丙公司可以催告乙公司追认合同，如乙公司在一个月内未作表示，合同有效
参考答案：A
解析：
根据规定，行为人没有代理权、超越代理权或者代理权终止后以被代理人名义订立合同，相对人有理由相信行为人有代理权的，该代理行为有效。
本题中第三人丙公司已经被告知甲离职的事宜，但是丙公司仍然与甲签订合同，则丙不是善意第三人，不构成表见代理，而是一般的无权代理，所以合同效力待定;选项B错误。
又根据规定，无权代理中，相对人可以催告被代理人在1个月内予以追认。被代理人未作表示的，视为拒绝追认。合同被追认之前，善意相对人有撤销的权利。所以选项CD错误。
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| It was at a concert that I happened to find David. He was holding his head at a strange 1 as if he were staring down at something. Then the truth struck me. He was blind. The last thing he remembers 2 was his daughter being born. Then the world went 3 . Bad luck is no stranger to this 44-year-old man. His mother died of cancer, and his weak father had to 4 11-year-old David to the care of the state. Things seemed always to go from bad to 5 . Two years ago, his beloved guide dog pulled him out of the 6 of a truck. David was not hurt. The dog 7 . But David does not feel sorry for himself. "These are just little obstacles (障碍) you have to 8 in your life," he said. He has to make a daily two-hour trip to his working place-the X-ray department of an 9 room. It was a hard job to 10 . Before he got it, David was determined to escape the workshop run by the Lighthouse, an organization 11 to help blind people. He wanted a job of developing X-ray film, something 12 , not just he, must do in the dark, including people with 13 eyesight. The Lighthouse called many hospitals, with no result, 14 they offered to pay his first three months' salary. David works alone in a dark room that 15 of chemicals. He cannot wear gloves. 16 , he could not feel. Since this is an emergency room, lives can be put 17 or out of danger. His directress says she trusts him 100 percent. He makes $ 20 000 a year. But his motivation (动机) goes 18 money. "By working, I can actualize my own 19 . That's the most important!" he said. What a shining example for us to 20 ! | ||||
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