Maria didn’t want to deliver the bad news to David about his failing the job interview. She herself was quite _____ about it.

The newcomer speaks with a strong Irish _____; he must be from Ireland.

Although Maggie has been physically _____ to her wheelchair since the car accident, she does not limit herself to indoor activities.

All passengers riding in cars are required to fasten their seatbelts in order to reduce the risk of _____ in case of an accident.

The principal of this school is a man of exceptional _____. He sets aside a part of his salary for a scholarship fund for children from needy families.

The science teacher always _____ the use of the laboratory equipment before she lets her students use it on their own.

Most of the area is covered by woods, where bird species are so _____ that it is a paradise for birdwatchers.

In most cases, the committee members can reach agreement quickly. _____, however, they differ greatly in opinion and have a hard time making decisions.

Many people try to save a lot of money before _____, since having enough money would give them a sense of security for their future.

In winter, our skin tends to become dry and _____, a problem which is usually treated by applying lotions or creams.

Benson married Julie soon after he had _____ her heart and gained her parents’ approval.

The recent flood completely _____ my parents’ farm. The farmhouse and fruit trees were all gone and nothing was left.

The results of this survey are not reliable because the people it questioned were not a typical or _____ sample of the entire population that was studied.

In line with the worldwide green movement, carmakers have been working hard to make their new models more _____ friendly to reduce pollution.

Bill and Sam decided to kidnap the son of a banker to compensate for their business loss. They kidnapped the boy and hid him in a cave. They asked for a ransom of $2,000 to return the boy. 16 , their plan quickly got out of control.

Their young captive 17 to be a mischievous boy. He viewed the kidnapping as a wonderful camping trip. He demanded that his kidnappers play tiring games with him, such as riding Bill as a horse for nine miles.

Bill and Sam were soon desperate and decided to 18 the little terror. They lowered the price to $1,500.

They lowered the price to $1,500. Yet, knowing perfectly well 19 a troublemaker his son was, the father refused to give them any money.

Yet, knowing perfectly well what a troublemaker his son was, the father refused to give them any money. 20 , he asked the kidnappers to pay him $250 to take the boy back. To persuade the boy to return home, Bill and Sam had to tell him that his father was taking him bear-hunting. The kidnappers finally handed over the boy and $250 to the banker and fled town as quickly as they could.

A polygraph machine, also known as a “lie detector,” is a common part of criminal investigations. The instrument is used to measure 21 a person’s body reacts to questions. The theory underlying it is that lying is stressful, and that this stress can be measured and recorded on a polygraph machine.

When a person takes a polygraph test, four to six wires, called sensors, are 22 to different parts of his body. The sensors pick up signals from the person’s blood pressure, pulse, and perspiration.

The sensors pick up signals from the person’s blood pressure, pulse, and perspiration. 23 the process of questioning, all the signals are recorded on a single strip of moving paper.

Once the questions are finished, the examiner analyzes the results to determine if the person tested 24 truthful.

Well-trained examiners can usually detect lying with a high degree of 25 when they use a polygraph. However, because different people behave differently when lying, a polygraph test is by no means perfect.

International trade is the exchange of goods and services between countries. Trade is driven by different production costs in different countries, making 26 cheaper for some countries to import goods rather than make them. A country is said to have a comparative advantage over another when it can produce a commodity more cheaply.

A country is said to have a comparative advantage over another when it can produce a commodity more cheaply. This comparative advantage is 27 by key factors of production such as land, capital, and labor.

While international trade has long been conducted in history, its economic, social, and political importance has been 28 in recent centuries. During the 1990s, international trade grew by nearly 8.6% each year. In the year 1990 alone, the growth in trade in services was as high as 19%.

Today, all countries are involved in, and to varying degrees dependent on, trade with other countries.

29 international trade, nations would be limited to the goods and services produced within their own borders.

Trade is certainly a main 30 force for globalization. It is also the subject of many international agreements that aim to govern and facilitate international trade, such as those negotiated through the World Trade Organization (WTO).

Are forests always created by nature? A man from rural India proves that this is not necessarily 31 .

Abdul Kareem, who used to be an airline ticketing agent, has a great love for the woods. Though he never went to college, he can talk about plants and trees like an expert. In 1977, he bought a piece of rocky wasteland with the 32 of growing trees on it.

In the beginning, people thought he was

33 to waste his time and money on the land.

But he simply 34 them and kept working on the soil and planting trees there.

The land was so 35 that it had to be watered several times a day. Kareem had to fetch the water from a source that was a kilometer away.

Kareem had to fetch the water from a source that was a kilometer away. In the first two years, none of the trees he planted 36 .

However, in the third year, several young trees started growing. Greatly 37 by the result, Kareem planted more trees and his man-made forest began to take shape.

Kareem let his forest grow naturally, without using fertilizers or insecticides.

Kareem let his forest grow naturally, without using fertilizers or insecticides. He believed in the ability of nature to renew itself without the 38 of humans. That’s why he did not allow fallen leaves or twigs from the forest to be removed.

After years of hard work, Kareem has not only realized his dream but also transformed a piece of 39 property into a beautiful forest. Today, his forest is home to 1,500 medicinal plants, 2,000 varieties of trees, rare birds, animals, and insects.

Today, his forest is home to 1,500 medicinal plants, 2,000 varieties of trees, rare birds, animals, and insects. Now, scientists from all over the world come to visit his 40 . They hope to find the secret of his success.