（2015•莱芜）有一次，小明上学前取自己的眼镜时，发现自己的近视镜和爷爷的老花镜混在一起，外形完全一样，如图所示，小明要想找出自己的眼镜，下列做法正确的是（　　）

①Na₂CO₃﹣制玻璃  ②SiO₂﹣太阳能电池  ③AgI﹣人工降雨  ④NaCl﹣制纯碱⑤Al₂O₃﹣焊接钢轨  ⑥NaClO﹣消毒剂    ⑦Fe₂O₃﹣红色油漆或涂料  ⑧MgO﹣耐火材料．

阅读下列短文, 从下面每小题的A、B、C、D四个选项中选出最佳选项。

There are some great women scientists in the world. The world would certainly not be so wonderful without their hard work.

Here is a list of some top women scientists and their achievements.

◆Marie Curie

      Curie was born in Poland on November 7, 1867. She was a pioneer in the field of radioactivity(放射). She was also the first person to win two Nobel Prizes, one in physics and the other in chemistry.

◆Rosalind Elsie Franklin

     Franklin was born on July 25, 1920 in London. She graduated from Cambridge University. She played a great role (角色) in the discovery of the structure(结构)of DNA.

◆Annie Jump Cannon

      Cannon was born on December 11, 1863. She was an American astronomer. She divided more than 500,000 stars into different kinds and discovered more than 300 stars in her life.

◆Sally Kristen Ride    

      Ride was born on May 26, 1951. She was an American astronaut. She was the first American woman to travel into outer space.

◆Grace Murray Hopper

      Hopper was born on December 9, 1906 in New York. She was one of the earliest computer programmers and a leader in the development of computer software.