logical reasoning 1. If Zhang Sheng likes photography, he will like traveling. If he doesn't like photography, he will like driving. However, if Zhang Sheng doesn't like traveling, he won't be interested in driving. Therefore, Zhang Sheng () A like traveling B like driving C don't like driving d like photography 2 'the unit price of a store's goods is 75 yuan. It can sell 500 pieces. If the unit price is 1 yuan, it will sell 20 pieces less. In order to make the sales bigger, the unit price can be set as () A 50 yuan B 28 yuan C 27 yuan d 20 yuan 3. Xinjiang: Jiangsu: Suzhou () A Beijing: Nanjing: Yangtze River B Aerospace: Spacecraft: Astronauts C Yunnan: Anhui: Hefei D Shandong: Liaoning: Qingdao That's the second question, so I can't understand it

logical reasoning 1. If Zhang Sheng likes photography, he will like traveling. If he doesn't like photography, he will like driving. However, if Zhang Sheng doesn't like traveling, he won't be interested in driving. Therefore, Zhang Sheng () A like traveling B like driving C don't like driving d like photography 2 'the unit price of a store's goods is 75 yuan. It can sell 500 pieces. If the unit price is 1 yuan, it will sell 20 pieces less. In order to make the sales bigger, the unit price can be set as () A 50 yuan B 28 yuan C 27 yuan d 20 yuan 3. Xinjiang: Jiangsu: Suzhou () A Beijing: Nanjing: Yangtze River B Aerospace: Spacecraft: Astronauts C Yunnan: Anhui: Hefei D Shandong: Liaoning: Qingdao That's the second question, so I can't understand it

1.A
2.A
3.C
Zhang Sheng likes to travel or drive, one of the two
2, the equation y = (75 + x) (500-20x) gives x = 50, y max
3, C, think about the relationship