问题
问答题 简答题
原子吸收光谱分析中灯电流的选择原则
答案
参考答案:
在保证放电稳定和有适当光强输出情况下,尽量选用低的工作电流。
原子吸收光谱分析中灯电流的选择原则
参考答案:
在保证放电稳定和有适当光强输出情况下,尽量选用低的工作电流。
阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。 A Shakespeare's Birthplace and Exhibition of Shakespeare's World Welcome to the world-famous house where William Shakespeare was born in 1564 and where he grew up. The property(房产)remained in the ownership of Shakespeare’s family until 1806.The House has welcomed visitors traveling from all over the word ,for over 250 years. Enter though the Visitors’ Centre and see the highly-praised exhibition Shakespeare’s World, a lively and full introduction to the life and work of Shakespeare. Stand in the rooms-where Shakespeare grew up. Discover examples of furniture and needle work from Shakespeare’s period. Enjoy the traditional(传统的)English garden, planted with trees and flowers mentioned in the poet’s works. pThe Birthplace is within easy walking distance of all the car parks shown on the map; nearest is Windsor Street(3 minutes’ walk). The House may present difficulties but the Visitors’ Centre, its exhibition, and the garden are accessible(可进入的)to wheelchair user. ![]()
小题1:. How much is the admission for a family of two grown-ups and two children?
A. the House B the garden C. the Visitor’s Centre D. the exhibition hall |