已知平面直角坐标系内的两个向量$\overrightarrow{a}$＝（1，2），$\overrightarrow{b}$＝（m，3m－2），且平面内的任一向量$\overrightarrow{c}$都可以唯一的表示成$\overrightarrow{c}$＝λ$\overrightarrow{a}$＋μ$\overrightarrow{b}$（λ，μ为实数），则m的取值范围是（    ）

“灯闪着，风吹着，蟋蟀叫着，我坐在床上看书。月亮出了，风熄了，我应在院中唱歌。”这是溥仪在17岁时写的一首新诗。这种以白话文代替文言文写作的现象，与下列哪一文章的大力提倡分不开（   ）

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    Nowadays, more and more teenagers go to study in foreign countries. If you want to do that, here's some information for you.

1  Though you have to spend much money on your education in China, you should know that studying abroad will cost you much more money.

2  You'll have to look after yourself and learn to be independent(独立的). When you say goodbye to your family, you should know that you're not going to travel for a week, but live in a foreign country. You'll have to do everything by yourself even when you are sick. You'll have to get used to the life there.

3  You can learn a foreign language more easily if you live in that country, but you may have some trouble before you can speak the language well.

4   You can make friends from other countries, but there may be some misunderstanding(误会) between you and your friends because of different cultures. Information Card