微观粒子贯穿势垒的概率与势垒的宽度和高度有关,当势垒加宽或变高时,势垒贯穿概率变小。 发布时间:2021-03-25 18:18 │ 来源:www.tikuol.com 题型:判断题 问题: 微观粒子贯穿势垒的概率与势垒的宽度和高度有关,当势垒加宽或变高时,势垒贯穿概率变小。
题型:判断题 阅读短文,用方框中所给单词的适当形式填空。方框中有一个单词是多余的。work trade devoted good well old build that My name is Li Wei. I am from a worker's family. There are six people in my family. They are my grandfather, my grandmother, my father, my mother, my sister and I. Every member in my family 1_______ for his or her own 2_______. My grandfather and grandmother are farmers. They do farm work every day in my hometown. My father is a senior engineer. He is now working in Africa, helping 3______ a power station. My mother is a teacher. She teaches English in a middleschool. My sister, five years 4______ than I, is a doctor in the People's Hospital of our county. She loves herwork and does it 5______. I am a middle school student. And I am going to take this year's college entranceexamination. I wish 6______ I could be enrolled by a famous university. This is my family. All the members in my family live in harmony. We love each other 7______. 查看答案
题型:判断题 某项目建设投资为5500万元,建设期二年,第一年计划投资使用比例为60%,其余为第二年计划投资额,建设期年平均价格上涨率为5%,则该项目第二年的涨价预备费应为( )万元。A.338.25B.269.28C.225.5D.110.00 查看答案
题型:判断题 某房地产开发企业从事房地产开发项目,取得土地使用权支付了200万元,房地产开发成本为360万元。计算土地增值税的增值额时,两项支出允许扣除的金额为( )万元。A.560B.660C.672D.632 查看答案