In big cities, the exhaust fumes build (5)______ and pose a health hazard to human beings. Pollution of the sea by oil threatens marine life. Much of the oil comes from ships that clean their fuel tanks while at sea. Offshore oil wells also discharge vast amounts of oil into the sea. Pollution of the sea can also be caused by oil spills. An oil spill may occur as a result of accidents involving oil tankers.

The reality of an interview is never as bad as your fears. For some reason people imagine the interviewer is going to jump on every tiny mistake they (1)_____ . In truth, the interviewer is as keen for the meeting to go well as you are. It is what makes his or her job enjoyable. The secret of a good interview is preparing for it. What you wear is always important as it creates the first impression. So (2)_____ neatly, but comfortably. Make sure that you can deal with anything you are asked. Prepare for questions that are certain to come up, for example: Why do you want to become a nurse? What is the most important quality a good nurse should have? Apart from nursing, what other careers have you considered? What are your interest and hobbies? Answer the questions fully and precisely. For instance, if one of your interests is reading, be prepared to talk about the sort of books you like. (3)______ , do not learn all your answers off (4)______ heart. The
interviewer wants to meet a human being, not a robot. Remember, the interviewer is genuinely interested in you, so the more you relax and are yourself, the more (5)______ you are to succeed.

There are many sources of pollution in our modern world. At present, the most severe sources are acid rain, car exhaust fumes and oil spills. Factory chimneys give (1)______ smoke that contains sulfur dioxide and nitrogen oxide. These gases combine with the moisture in the atmosphere to (2)______ sulfuric acid and nitric acid. When it rains, these acids dissolve in the rain and turn it acidic. Acid rain is thought to be the worst pollution problem of all. It has (3)_____ aquatic life by turning many lake into lifeless bodies of water. In these areas, there is no limestone in the rocks to neutralize the acid rain naturally. One remedy is to pump limestone into the acidic lakes. (4)_______ , it is not possible to do this on a large enough scale to save all the lakes. Car exhaust fumes contain carbon monoxide and lead which are highly poisonous. In big cities, the exhaust fumes build (5)______ and pose a health hazard to human beings. Pollution of the sea by oil threatens marine life. Much of the oil comes from ships that clean their fuel tanks while at sea. Offshore oil wells also discharge vast amounts of oil into the sea. Pollution of the sea can also be caused by oil spills. An oil spill may occur as a result of accidents involving oil tankers.

In Germany, it's important to be serious in a work situation. They don't mix work and play so you shouldn't make jokes (1) you do in the UK and USA when you first meet people. They work in a very organized way and prefer to do one thing at a time. They don't like interruptions or (2) changes of schedule. Punctuality is very important so you should arrive on time for appointments. At meeting, it’s important to follow the agenda and not interrupt (3) speaker. If you give a presentation, you should focus (4) facts and technical information
and the quality of your company's products. You should also prepare well, as they may ask a lot of questions. Colleagues normally use the family names, and title - for example 'Doctor' or 'Professor', so you shouldn't use first names (5) a person asks you to.

English is an obligatory subject from sixth grade across Vietnam, but in large cities, many primary schools demand high (5)_____ . Foreign language centers have been thriving here, with students as young as three years old.

At meeting, it’s important to follow the agenda and not interrupt (3) speaker.

All relationships go through difficult times. In the past, when married couples had problems they usually didn't (1)______ . They had to either (2)______ with each other or continue to live together in an unhappy relationship. Getting divorced wasn't an option for most people due to economic and social reasons. Some people believe that this wasn't such a bad thing. They say that relationships require hard work and "If a relationship is going to last a lifetime, you have to keep working at it," says Doreen, who is celebrating her fiftieth wedding anniversary this year. "It isn't all roses and romance. No one perfect all of the time. These days young people give up when there's the (4)________ argument." Experts agree that communication is key. The most important thing is to keep talking. How many times have you heard yourself say to (5)______ couples talk, that!" The truth is, the couples talk, ...