$\frac{2}{5}÷2=\frac{2}{5}$ （____） $\frac{1}{2}$ =____

    We are learning English, but how can we learn English well ? A student can know a lot about English, but maybe he can't speak English.
If you want to know how to swim, you must get into the river. And if you want to be a football player, you must play football. So, you see, you can learn by using it. You must listen to your teacher in class. You must speak English to your classmates every day and also you must write something in English. Then one day you may find your English very good .

几乎所有的艺术家都认为真正的艺术创作来源于生活积累，清代文学评论家金圣叹说：“天下妙士，必有妙眼，渠见妙景，便会妙手写出来……无他，只因妙手所写纯是妙眼所见，若眼未有见，他决不肯放手便写，此良工之所永异于俗工也。”这句话表明（  ）

勤俭节约是中华民族的传统美德。然而，当前“舌尖上的浪费”现象令人乍舌：中国人每年要倒掉1000亿斤粮食，相当于两亿人一年的口粮。“反对浪费．厉行节约”已然成为全社会大力倡导的餐桌美德。从文化生活角度看，遏制“中国式浪费”需要每一位公民（   ）

①坚持先进文化的前进方向，弘扬主旋律

②开展健康有益的文化活动，培育节俭文明风尚

③践行社会主义荣辱观，提升文化素养

④倡导传统道德，提高思想道德修养