考研作文中常见的加分短语数量并不固定，但以下是一些常见的例子：
It is important （or essential, crucial, significant） for someone to do something.对某人来说，做某事是重要的。例如：It is vital for human beings to take immediate action to protect wild animals. 对人类来说，立刻采取措施保护野生动物至关重要。
There is little doubt that...毫无疑问。例如：There is little doubt that more and more people are moving from rural areas to large cities. 毫无疑问，越来越多的人从农村地区迁移到城市。
be put under threat of遭受某物的威胁。例如：Citizens are put under threat of getting infected with the virus. 市民正在遭受感染病毒的威胁。
bring down the government击败政府。
A diet deficient in vitamin缺少维生素的饮食。
Digital divide数字鸿沟。
A big storm is brewing up正在酝酿之中。
这些短语可以帮助你在作文中表达更加丰富和准确的意思，从而提高作文的分数。建议你在备考过程中多积累这些常用的短语，并在写作中灵活运用。