题目

有经验的农民会选择性地为农作物施肥，肥料的主要作用是为植物生长提供无机盐，下列说法不正确的是（） A . 施肥后需适量浇水，防止“烧苗” B . 植物根尖吸收无机盐的主要部位是成熟区 C . 植物生长过程中，需要量最多的无机盐是氮、磷、钾 D . 植物通过筛管，将无机盐从根尖向其他部位运输 答案：D阅读下面的短文，然后根据短文内容回答问题。A student was so excited to be accepted by a university this year that he rode a bike for more than 43,000 kilometers across the country to his university in 22 days.Lin Jinmin, who lives in Pingnan County, Guiyang, received an admission letter(录取通知书) from QiqiharMedical University in Northest China’s Heilongjiang Province on July 23.Lin said that it was a very important thing for him, and he thought that riding his bike would be a special way to get there. “I wanted to be brave and learn to solve difficult problems by myself,” he said. “It really changed me. I told myself I couldn’t give up during the riding journey.”Lin started his journey on August 1, riding across 8 provinces and 2 municipalities(自治区), and finally reached his university.During the journey, he experienced terrible weather, hunger, traffic jams and many other problem. When he reached a university, such as Tsinghua University and Northeast University, he would take a photo in front of the university’s gate.His success has made him famous among his classmates. Lin said he would take another ride in the future.【1】How long is it from Lin’s hometown to his university?___________________________________________________【2】When did Lin get to his university?___________________________________________________【3】Lin decided to ride to the university, because his family was so poor. Is that true?___________________________________________________【4】What did he do when he reached a university during his journey?___________________________________________________【5】What’s the best title for the passage?___________________________________________________