已知直线l1：（k﹣3）x+（4﹣k）y+1=0与l2：2（k﹣3）x﹣2y+3=0平行，则k的值是

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已知直线l₁：（k﹣3）x+（4﹣k）y+1=0与l₂：2（k﹣3）x﹣2y+3=0平行，则k的值是（）

A：1或3

B：1或5

C：3或5

D：1或2

上一题下一题 0.0难度选择题更新时间:2019-05-14 09:03:28

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C

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It's Sunday today. My parents and I go to a small restaurant for dinner. The waiter shows us the menu.

MENU
Food	Ingredients (配料)	Price
Special 1	onions, mushrooms (蘑菇)，beef	$ 3.75
Special 2	pepperoni (意大利辣香肠), carrots, mutton	$ 3.5
Special 3	mushrooms, eggs, onions	$ 3.6
Hamburger	chicken, lettuce (生菜)	$ 2.8
Green tea		$ 2
Ice cream		$ 1
Apple juice		$ 2

My father would like Special 1 and a glass of green tea. My mother orders Special 2. And she'd like a glass of apple juice. I want to eat a hamburger. And I'd like an ice cream.

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