The oxygen in air we breathe has no tasted, smell, and color .

Choose the correct answer to each of the following questions. "You may choose one _____ the five World Heritage Sites in Viet Nam included in this leaflet to visit on your next field trip."

Pigeons, many migratory birds, read the positions of the Sun and stars in order to orient them

Although almost all insects have six legs, a imma insect may not have any 

Polio, one of a group of spin inflammations, causes fever and paralysis often resulting in disable and deform

Inventing by Roger Bacon, the magnifying glass led o the creation of other scientific tools which produced immeasurable science progress

Zoos in New Orleans, San Diego, Detroit, ande Bronx have become biological parks where animals roams free and people watch from across a moat

Choose the letter A, B, C or D to complete the sentences. "The break ______ of the family home following the divorce was a great shock to the children."

As young man, Darwin showed little promising as a biologist.

Choose the word(s) CLOSEST in meaning to the underlined word(s): They can enjoy the-comfort and elegance of five-star hotels and luxury cruise ships.

The common field mouse is about four inches long and has a three inched tail

Lawrence Robert Klein received the 1980 Nobel Prize economics for pioneering the useful computers to forecast economic activity

The fragrant leaves of laurel plant to sell commercially as bay leaves and are used for seasoning food

Although ferns lack flowers, they do have leaves, stems, and root .

His roommate is not very clever student, but he certain works very hard indeed.

Bats use echoes of their own high – frequency sounds to detect food and avoiding obsta.

In order no money would be wasted , we had account for every penny we spent.

Mark the letter A, B, C or D on your answer sheet to indicate the word or phrase that is OPPOSITE in meaning to the underlined part in each of the following questions: 

Slavery was abolished in the US in the 19th century. 

When her son, Nick fell and injured his knee, she refused to pay for doctor and spent hours looking up free medical help.

The average salt content of seawa is more than three percents.

Choose the word(s) CLOSEST in meaning to the following word(s). "religious"