Although the Red Cross accepts blood from most donors, the nurse will not let you to give blood if you have just had a cold.

The most visible remind of the dose relationship between the United States and France is the famous Statue of Liberty, which stands in New York Harbor.

Despite its smaller size, the Indian Ocean is as deep the Atlantic Ocean.

Hurry! We're got to leave the house immediately. Otherwise, __________ the opening ceremony. 

Choose the best option:

She is a famous ___. She tries her best to protect rare animals from extinction.

Villagers are hoping for raining this month after nearly a year of dry weather

It is difficult to get used to sleep in a tent after having a soft comfortable bed to lie on.

During his speech in Congress, the President stressed the importance of good education for the well-being of generation to come

“ This is not a good essay,” said the lecturer. “I find your arguments convince”.

One of the students who are being considered for the scholarship are from this university.

In The Sociology of Science, now considered a classic, Robert Morton discusses cultural, economy and social forces that contributed to the development of modern science .

With cable broadband, you can go from one web page to another much quickly than you can. With a dial-up modem or DSL, and you can load web pages more readily.

Indiscriminately dumping of waste material and inadequate sewage treatment are two serious causes of environmental pollution.

Many people who live near nuclear plants are concerned. _________ go wrong, the impact on the surrounding area can be disastrous. 

Choose the correct answer to complete the sentence. "Global warming occurs ______ the greenhouse gases in the atmosphere trapthe heat from the sun."

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

In that age of computers, it is difficult to imagine how tedious the work of accountants and clerks must have been in the past.

Sawfish are shark-like fish have “saws” of cartilage set with two rows of teeth on their snouts.

Australian koalas are furry, gray animal that live in trees and feed on leaves.

Choose the best option:

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

Choose the correct answer to complete the sentence. "The ______ way to do this was to expose the food to sun and wind"