试题题干
The reason for the exclusive use of the foreign language in the 
is to enable the students to think in the target language, so that they can use it to express themselves directly without referring to their mother tougue.
参考答案
试题解析
在直接法中专门使用外语的原因是为了让学生能够用目标语言进行思考，这样他们就可以直接用它来表达自己，而无需参考他们的母语。