B.to indicate when the regular earthquakes occur

C.to uncover how low-frequency earthquakes occur

D.to offer more information about the deeper part of the fault

答案

1.C　2.C　3.A　4.D　

　　 "What defines you?" That's what Lizzie Velásquez asked the crowds of people who came to hear her motivational speeches.

　　Due to a rare syndrome (综合征), from the second when Velasquez was born incredibly ugly, the doctors prepared her parents to accept absolutely nothing out of her, no crying, no walking, no crawling and literally nothing.But her parents decided to take her home, love her and raise her the best as they could. They brought her up completely normally, so normally that when she started kindergarten she had no clue that she was different.

　　Unfortunately she had to find it out in a way like a big slap of reality for a 5-year-old. No one wanted to play with her or stand by her. No one wanted to have a single thing to do with her.As a little girl, she couldn't understand, because she was raised still normally. So she had to go home and ask her parents.And they encouraged her to go back to school and be herself so eventually everyone would see she was just like them. So again, at such a young age, she was forced into a situation where she could either choose to be happy or choose to give up. Luckily, she chose to be happy.

　　When she was in high school, one day she was shocked to click on one video of herself labeled "the World's Ugliest Woman", which was only 8 seconds long but had over 4 million views. The comments that went along were horrible. "Why would her parents keep her?!" read one;"Kill it with fire!" said another.And they continued on and on. She wanted to fight back against some of the commentators, like one specifically who told her to put a gun to her head and kill herself. So again, she was put in the position to choose happiness or to choose to give up.

And again with the help of family, Velasquez found the strength to channel the hatred into motivation and to rise above the cruelty.At that moment, she was going to