What exactly is the influence of air pollution ...... human beings?

The knee is more likely to be damage than most other joints because it is subject to tremendous forces during vigorous activity.

The medical problems of parents and their children tend to be very similar to because of the hereditary nature of many diseases.

Bronze, after being heated by a strong flame, will change color, especially when exposure  to hydrogen .

One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

If he weren’t too old, he would apply to the job as a reporter. 

You have to use a magnifying glass so that to see some of the minute details.

People with exceptionally high intelligence quotients may not be the best employees since they become bored of their work unless the job is constantly changing

I would have gone with him to Washington except I had had no time

Do you think what people have smoked less and less?

Choose the correct answer to complete the sentence. "One of the main greenhouse gases that lead to global warming _____ carbon dioxide"

Did you read ............book I lent you ............ last week. 

Lassen National Park, the situation of a dormant volcano, is one of the most beautiful but least visited parks in the western United States.

She thinks they will come, _    ?

Living in New York, apartments cost more to rent than they do in other smaller cities

Although there are more than 2,000 different variety of candy, many of them are made from a basis boiled mixture of sugar, water, and corn syrup

Without alphabetical order, dictionaries would be impossibility to use

He can speak English, _    ?

Men and women in the Peace Coips work with people in developing countries to help them improving the living conditions

With an annual income of fifty thousand dollars a year, he can afford to give a luxurious life.

An octopus has three hearts to pump blood throughout their body.

Economists have tried to discouragethe use of the phrase “underdeveloped nation” and encouraging the more accurate phrase “developing nation” in order to suggest an ongoing process.