causes a variety of problems.
(4) ___ (a) We cannot see bacteria or viruses without a microscope.
___ (b) Many micro-organisms are invisible to the unaided eye.
(5) ___ (a) Temperature affects water.
___ (b) At 0°C water freezes; at 100°C it vaporizes.
Essay Writing Practice
Exercise 1
Write one or more sentences that give examples for the following general statements (1-3).
(1) There
carry up to a ten year prison sentence, and prohibits the development or possession of phishing kits with intent to commit fraud.
iv. Society and Environment
Although most online phishing may seem like a trivial topic, many are still oblivious to the subject. According to 2007 survey conducted by PayPal , an online payment provider, in UK, about 46% of the people are unaware of what phishing
1. Listening Comprehension
1~3) Listen to the following and answer the question.
Breaking a mirror brings bad luck for seven years. This dates back to times when it was believed our reflection was a representation of our souls. Damaging the reflection is damaging the soul. If we manage to break a mirror, there are remedies that will reverse the fortune of the damaged soul...(이하 지문
1. Listening Comprehension
1~3) Listen to the following and answer the question.
Pre-history
Prior to the release of bitcoin there were a number of digital cash technologies starting with the issuer based e-cash protocols of David Chaum and Stefan Brands. Adam Back developed hashcash, a proof- of-work scheme for spam control. The first proposals for distributed digital scarcity based cryp
Start the lesson with greetings. Ask how are they doing today and also start conversation by using ‘social’ languages about what the students did the previous day to create an English atmosphere, it makes more interesting class. Students can practice real English. Using social language is essential as many textbooks do not explore slangs, idioms and other terms that native English speakers ma
1. Market situation-Analysis on Domestic Violence
1) couple violence occurrences
According to survey that carried out 2010, couple violence rate of married couple age between 19 and 65 appears 53.8%. More specifically, physical assault rate is 16.7%, emotional violence rate is 42.8%, financial violence rate is 10.1% and sexual abuse rate is 10.4%. Couple violence rate during whole life afte
Conditional Sentences with Initial If Clauses
Proposing Options for Future Scenarios
Introducing Contrasts
Providing Examples Following Generalizations
Making Inferences
Proposing Options for Future Scenarios
Future Scenario with will in the main clause – Spoken
BENJAMIN-NETANYHU Iran is the world's greatest exporter of terror. If such aggression is not stopped, it w
cause of the advent of the black consumer
Internet has changed a lot these days. So more and more consumers tend to choose the Internet as the direct way to resolve their own problems. instead of waiting for slow legal procedures or consulting with consumer groups. Recently most consumers seem to evolve into "super consumers", who legally suppress the profit seeking activities of some compani
causes of which are not yet known. According to Robert Hare, an expert of criminal psychology who developed the criteria of a psychopath, these people lack the ability to love, and they lack empathy or guilt toward others. If they have shown an understanding or helping behavior toward others, this is merely a deception for another purpose. Also, their ability to endure frustration is very weak. T
cards or definition cards and asks students to find the relation. This is also helpful for the review.
B. Grammar at sentence level
Not only vocabulary could students learn, but also they could learn grammar at sentence level in many ways. For example, they could learn verb tense, pronoun using the words they learn as below examples. A teacher can ask them what they did or what they are