问题
单项选择题
二乙氨基二硫代甲酸银分光光度法测定水中砷的检测限是（）
A.0.0004mg/l
B.0.007mg/l
C.0.05mg/l
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
二乙氨基二硫代甲酸银分光光度法测定水中砷的检测限是（）
A.0.0004mg/l
B.0.007mg/l
C.0.05mg/l
参考答案：B
阅读理解。 | |||||||||
    A B C D | |||||||||
| Who is the girl in the first picture? She is Sun Li. She is a famous star in China. In this picture, she is wearing a hat. She is of medium height and she has long straight hair. But look at the second picture. This is Sun Li's new look. She doesn't have long hair any more. She has short straight hair. In this picture, she is wearing a (4)____.Do you like her new look? Do you know the girl in the third picture? She is a pop singer and actress with big eyes. Her name is Zhang Shaohan. She isn’t tall and she is very thin. She has long curly hair. Well, now in the fourth picture, Zhang Shaohan has a new look. She doesn't have long hair. She has short straight hair. Many people like her new look and think she is very cute. | |||||||||
| 1. 根据材料说明，排列四幅图的正确顺序： _____________________________________________________ 2. 比较两位人物的不同相貌，完成下表：
4. 将划线句子译成汉语： _____________________________________________________ 5. 回答问题：What does Zhang Shaohan do? _____________________________________________________ |