1.

Many people believe that drinking wine is unhealthy; however, the truth is that it stimulates digestion and contains anticarcinogens (chemicals which impede cancer).

2.

The Universal Declaration of Human Rights was signed over 50 years ago; nevertheless, human rights continue to be abused in many corners of the world.

3.

Solar energy is the most abundant form of energy on our planet; moreover, it is a 'clean' form of energy. 

4.

The U.S.A. has the widest gap between rich and poor of any industrialized nation; in fact, 35 million people in the U.S.A. live in poverty.

5.

Global warming has destabilized this planet's climate patterns; consequently, we can expect an increase in the number of violent weather events such as hurricanes and typhoons.      

6.

Einstein believed that science does not contradict the existence of God; on the contrary, the laws of physics can be seen as evidence of a divine order in the universe.

7.

In the 1970's and the 1980's, most computer programmers only used two digit codes to represent the year; therefore, there are many computers which are incapable of processing the change from 1999 to 2000.

8.

Many new anti-AIDs drugs have appeared on the market in recent years; as a result, the number of deaths from AIDs in this country has decreased considerably.

9.

Sea kayaks are generally quite long to provide stability; on the other hand, river kayaks are usually short in order to allow for maneuverability.

10.

Some people worry about using fossil fuels for energy because they are a non-renewable resource; however, the biggest problem that fossil fuels pose is related to the pollution that they cause.

1.

The Charles River, which runs through Boston, is heavily polluted.  (non-defining)

2.

The river which runs through Boston is heavily polluted.  (defining)

3.

The reason that I called you is because I want to ask you about relative pronouns.  (defining)

4.

I gave the opera tickets to my wife, who is a big fan of Pavarotti’s. (non-defining)

5.

The people whom I saw at the funeral were all dressed in black. (defining)

6.

Adolf Hitler, who has often been called a “butcher”, was in fact a vegetarian.  (non-defining)

1.

The person who gets the most votes will represent us at the next meeting.

2.

The person whom we elect will represent us at the next meeting.

3.

If you want to find the murderer, look for someone who has a strong motive.

4.

The police haven’t questioned him because he is someone whom nobody suspects.

5.

She is the person whom you should talk to if you want the job.

1.

He poured honey all over her body; then, he licked it off.

2.

We must reduce the speed of trucks on the highway; otherwise, there will be more traffic deaths.

3.

He forgot to put on the gun’s safety catch; consequently, he shot himself in the foot.

4.

Gro Harlem Brundtland, who is the Prime Minister of Norway,  is a steadfast supporter of sustainable development.

5.

There is enough food to feed everyone on this planet, yet thirty million people die of hunger each year.

6.

He neither smokes nor drinks.

7.

Transnational corporations control two thirds of the world’s trade, but they employ only 3% of the world’s workers.

8.

The world’s population continues to increase; in fact, there are 240,000 babies born every day.

9.

Joseph Conrad did not learn to speak English until his late teens; nevertheless, he became one of the greatest English novelists of the 20^th century.

10.

The Eiffel Tower is 984 feet high, and it was built in 1889.