A: 6.107
B: 1.076
C: 7.610
D: 10.67
读三幅“人与环境关系的模式图”,按照人与环境关系的理想程度由好到差依次排列为( )
2004年,有位中国水稻专家获得 “世界粮食奖”,他是( )
人们可从铁钛矿(主要成分FeTiO3)制取金属钛(Ti),其在一定条件下的主要反应有:
①FeTiO3+H2=Fe+TiO2+H2O;
②TiO2+2C+2Cl2=TiCl4+2CO;
③TiCl4+2Mg=2MgCl2+Ti
下列叙述正确的是( )
请根据所听短文内容,将所缺信息填在题后对应的横线上,每空一词。
Li Wei's Hometown
Li Wei lives in a small village not ____ from the Yellow River.
There are many houses____ green trees along the road.
There are about ____ people in the village.
The village is famous for its ____.
In summer, many businessmen drive here to ____ fresh fruits.