—I'm glad to see that the government has ________ the open space ________ a public library.
— Me, too. We can do some reading there.
A:moved; into
B:grown; into
C:turned; into
D:put; into
下列图形中,既是中心对称图形又是轴对称图形的是( )
如果不等式组x<7x>m有解,那么m的取值范围是( )
向10g赤铁矿石样品中,不断加入10%稀盐酸(样品中杂质不溶于水,也不和酸反应),至固体不再减少为止,测得剩余固体的质量为2g.请计算: