Read the following article and select the best answer. Article: Many students are under great pressure this term. There is some advice on studying and preparing for exams. Sciences Ask students what is the most difficult course, and most of them will give you the same answer: mathematics. This is also true for Dai Shuang, a 14-year-old student at No.1 Middle School. He says, "It's so difficult that I get a headache whenever I think about the math exam." According to Dai, studying this course is not easy. He usually studies math by himself and spends most of his free time reading math books and doing exercises. _ Qin Xia, a math teacher, offers some advice. "Most students fear mathematics because they think the class is too difficult or boring." he says, "These students don't listen carefully in classes or even sleep." In Qin's opinion, they can try to take notes. And they'd better ask teachers for help. It's difficult for students to teach themselves math, which will waste a lot of time. Besides, doing a lot of exercises is also important. Arts Zhu Tianjiao, a 13-year-old student at Megan Middle School, is very nervous because she doesn't know how to improve her English. _ Xia Bingcong, a top student at Tsinghua University shares some of her learning experiences. According to Xia, memorizing, listening and reading are important in language learning. "Studying on a daily basis is the best choice." Xia says. Question: According to Qin Xia, _ is Not a good way to learn math. - asking teachers for help - taking notes in classes - doing lots of exercises - studying alone
Answer:
studying alone