A:分子
B:原子
C:元素
D:离子
The company always________great importance to the quality of their products. That's why there is always steady increase in sales year by year.
谚语:“大河有水小河满,大河无水小河干。”这句话生动说明( )
写出词语
①他得的是chuán rǎn bìng ____,医院规定,谁也不准来看他,他也不能到病房外面去。科利亚静静地躺在病床上;
②突然,一个红气球yáo yáo bǎi bǎi ____地飘了上来,在科利亚房间的窗户前停住了。