问题
多项选择题
下列选项中，（）是色谱仪的分析气路。
A、载气的供应和调整气路
B、取样阀及相关的大气平衡阀、样品分流气路
C、色谱柱及相关的柱切换阀气路
D、色谱检测器及相关的气路
答案
参考答案：A, B, C, D
搜题请搜索小程序“爱下问搜题”
下列选项中，（）是色谱仪的分析气路。
A、载气的供应和调整气路
B、取样阀及相关的大气平衡阀、样品分流气路
C、色谱柱及相关的柱切换阀气路
D、色谱检测器及相关的气路
参考答案：A, B, C, D
阅读短文，完成表格。 The 30th Olympic host city, London opened its arms to the world on 27th July, 2012. It’s the capital city of the UK and one of the business centers in the world. It has a history of more than 2000 years. Many places of London were once villages. Today, London is a growing city with about 7 million people. They came from all parts of the world. Their ways of life are not the same but harmonious(和谐的). Their favourite food is pie and mashed potatoes. The symbol of London is a red double-deck bus. It came to London in 1956 and was in use there until 2005. Now it only runs on two main streets in the center of London.
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