Research has proved that a baby can distinguish its mother’s voice the moment he is born.

Choose the correct answer to complete the sentence. "We need to cut down on the ________ of carbon dioxide into the atmosphere."

The factory was fined for ...... chemicals into the river.

Harry lastly appeared in the role of King Lear at the National Theatre

If you make a five-days trip across the Atlantic Ocean, your ship enters a different time zone everyday.

The more important theorem of all in plane geometry is the Pythagorean Theorem

Bells told people of happy vents, such as weddings and born or, sometimes had to announce unpleasant events such as a death.

They met him at the party last night, _    ?

Above 80 percent of the laborers at the construction site are temporary workers.

Nutritionists recommend that foods from each of the four basic groups be eaten on a regularly daily basis

Choose the correct answer to complete the sentence. "Deforestation is one of the biggest environmental______ the ecological balance in the world"

We really enjoyed the children’s imaginative and excited play last Saturday.

Only averaged about 5 feet above sea level, the Marshall Islands would disappear under the Pacific should the Arctic icepack melt.

The ozone layer must be protected because it shields the Earth from excessive ultraviolet radiations

According to classical musical tradition, the term “sonata” is given to those works are written for solo piano or for solo wind or stringed instrument.

They are known that colds can be avoided by eating the right kind of food and taking exercise regularly.

Choose the best option:

The____ is the air, water and land in or on which people, animals and plants live.

Florida, named by the Spanish exploration Ponce de Leon, is one of the fastest growing states in the United States.

Thanks to his obstinacy, he achieved what he wanted. If he were discouraged earlier by this failures, he would not have reached his aims.

Being the biggest expanse of brackish water in the world, the Baltic Sea is one of special interesting to scientists.

Because of it consists only of a relatively short strand of DNA protected by a shell of Protein, a virus cannot eat or reproduce by it self.