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

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。

考点:物理学物理学题库
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 middle
school. My sister, five years 4______ than I, is a doctor in the People's Hospital of our county. She loves her
work and does it 5______. I am a middle school student. And I am going to take this year's college entrance
examination. 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______.
题型:判断题

下列田间操作属于植株调整范畴的是()。

A.搭架

B.绑蔓

C.打顶

D.打叉

E.束叶

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.338.25

B.269.28

C.225.5

D.110.00

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.560

B.660

C.672

D.632

题型:判断题

请音响师播放第二段音乐,……请说出这段《婚礼进行曲》的作者是:

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