2022紐約時報中學生社論競賽詳解,獲獎作品將在紐約時報刊登、全球發表!
國際社會風云變幻的今天,對于時事熱點話題分享個人見解、加以評論正在成為新一代世界公民的必備素養,大名鼎鼎的紐約時報系列比賽之社論學術活動已經拉開帷幕,優秀的你還不快上車? 有什么事情使你憤怒? 你希...
國際社會風云變幻的今天,對于時事熱點話題分享個人見解、加以評論正在成為新一代世界公民的必備素養,大名鼎鼎的紐約時報系列比賽之社論學術活動已經拉開帷幕,優秀的你還不快上車? 有什么事情使你憤怒? 你希...
Required Practical 7 Required Practical 7: Measuring the rate of a reaction There are two ways to measure the rate of reaction By an initial rate method By a continuous monitoring method &nb...
Edexcel IGCSE Maths復習筆記 1.13.2 Standard Form - Harder Standard form – harder questions Make sure you are familiar with:Roots & Indices – Basics Standard Form – Basics Harder problems often ...
Required Practical 11 Required Practical 11: Carry out simple test-tube reactions to identify transition metal ions in aqueous solution This practical covers a number of key laboratory skill...
Introduction to required practical 10a Required Practical 10a: Preparation of an organic solid and a test of its purity This practical covers a number of key laboratory skills use appropriat...
Edexcel IGCSE Maths復習筆記 1.13.1 Standard Form - Basics What is standard form? Standard Form (sometimes called Standard Index Form) is a way of writing very big and very small numbers using power...
Optical Isomerism Optical isomerism Stereoisomers?are molecules that have the same?structural formula?but have the atoms arranged differently in space There are two types of stereoisomerism ...
Oxidation of Aldehydes Aldehydes and ketones contain the carbonyl functional group, C=O This is why aldehydes and ketones are also known as carbonyls The difference between aldehydes and ket...
Carboxylic Acids Carboxylic acids Carboxylic acid?is the name given to the family of compounds that contain the?carboxyl?functional group,?-COOH The general formula of a carboxylic acid is?C...
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