2012年M国每小时生产A商品40件，售往F国时用F国货币表示为每件售价20元，2013年，M国提高劳动生产率，每小时生产A商品50件，F国货币对M国货币升值25％。若其他条件不变，则2013年每件A商品用F国货币表示是
A．20元
B．10元
C．12．8元
D．16元
答案：C
题目分析：根据题意，2012年M国每小时生产A商品40件，2013年，M国提高劳动生产率，每小时生产A商品50件，在不考虑汇率变动的情况下，售往F国时用F国货币表示为每件售价=20/1.25=16元；F国货币对M国货币升值25％，意味着同等数量的F国货币对换M国货币增加25%，则2013年每件A商品用F国货币表示是16/（1+25%）=12.8元，故C入选。其他选项观点与上述分析和计算不符，故排除。
下面五个家庭或个人正在考虑各自的活动安排。请阅读第1—5题中他们的实际情况，从A—F的六张图片中选取符合要求的最佳选项。其中有一项是多余选项。 Mrs Anderson is a housewife with three children. She is a good mother and cares for her family. On school nights, she usually reads books to the children while on weekends she’d like them to be close to the nature, enjoying the lovely living creatures. Mr Scott is a well-known professor who teaches South-East Asian history in UBC. He is also an excellent photographer. In his spare time, he always goes outdoor to get some inspiration. Mr Smiley is an electronic engineer who is busy all week except Saturday. He has two sons and they are crazy about doing tricks with each other. However, they are full of imagination and they hope that they will be as famous as David Copperfield. Mrs Reid is a doctor. Basicallly, she works all week except Sunday. She is also a good mother whose son is only seven. She believes science and history are of great importance. As long as she is free, she will company her son to all kinds of activities or exhibitions. The Morgans are an old couple who have been retired for over five years. Mr Morgan is fond of fishing while Mrs Morgan likes gardening. But their cats are naughty. They either eat their fish or play with the plants in the garden. So they want to train them to follow rules.
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