找出下面段落中实质性信息和非实质性信息。用E代表实质性信息，

题目描述

找出下面段落中实质性信息和非实质性信息。用E代表实质性信息，I代表非实质性信息。例：One common method of correcting typing mistakes is known as“opaquing correction fluid”.In other words，it is a fluid which Covers the error with a paper—colcured film.Essential：First sentence(实质信息：第一句)Inessential：Second sentence(非实质信息：第二句)1.First of all，the trainees are told what skill is to he practised during the training session.This stage is called the“briefing”.2.The sun was shining brightly through the window as Mrs.Lee erltered the room.She announced that the examination results would be displayed in the college entrance halt the following afternoon.3.At this point we should consider the qualifications required for suitable trainees.It is vital that all candidates should have good speeds and an adequate command of English.4.The quotation we asked for came in this morning’S post.It had been sent in a pale green envelope.5.Generally speaking，light ink on dark paper is less effective than dark ink on light paper.For example，white ink on dark green paper is not recommended.6.Miss Banda has been appointed as Typing Pool Supervisor.She has worked for the company for 12 years.7.The lack of demand for the products of one industry will affect other industries which supply the raw materials to make these products.An instance of this was the fall in demand for ships， which led to a decline in the steel making industry.8.It was obvious that something was wrong in the stores section.It was soon discovered thai petty theft was widespread.9.I now corne to my final point in my speech tO you this aftemoon. Because of increa~d demand and record sales，the company plans to build a new factory and employ 800 extra people.10.This concentration of certain industries in certain areas is known as “specification”.In other words.particular areas are said to speeialise in the manufacture of certain types of product.