Trees are designed as neither hardwood or softwoods

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

You wanted me to tell you about what I was doing here and how was my life.

Complete the following passage.

"British families started going on holiday to the seaside around the middle of the 19th century. The invention of the railways made this possible. The first holidaymakers were quite rich and went for their health and education. The seaside was a place to be (1)______of illnesses, and doctors recommended bathing in the sea and drinking sea water. Also to increase their knowledge, families attended concerts and read books from libraries.

At that time, ordinary working people had very little time (2)______. However, in 1871, the government introduce four “Bank Holidays” – national holiday days. This allowed people to have a day or two out, which now and then gave them a taste for leisure and the seaside. At first they went on day-trips, taking

(3)______ of special cheap tickets on the railways. By the 1880s, rising incomes meant many ordinary workers and their families could have a week’s holiday at the seaside. Rail fares were reduced and cheap hotels were built to (4)______ them. Holidaymakers enjoyed being idle, sitting on the beach, bathing in the sea, and eating ice-cream. Cheap entertainment was (5)_____ offer and holidaymakers went to have fun. Today, the English seaside remained popular, with more than 18 million holidays taken there each year."

2. At that time, ordinary working people had very little time (2)______.

To assure the safely of those workers who must handle radioactive materials, the employer should not leave them enter contaminated ar without protective clothing

Believed that Jack had got home safety, we felt relieved.

National forests including (land for animal grazing, as well as wilder areas with scenic mountains and lakes

Our civilization is so commonplace to us that rarely we stop to think about its complexity.

Have you learnt the reason why does water of the ocean becomes blue?

Although he was happily married, he preferred spending lately hours at work to spendin evenings lately t home.

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

The strength , size, and surefootedness of the Hama make its as excellentcy beast of burden in mountainous regions today as it was in the past

How much time did Rick and Jennifer have to do the experiment before they obtained results they had been expecting?

Choose the correct answer to complete. "You should give up ____ your sister"

According to many educators television should not become a replacement for good teachers, neither are computers

What we know about certain diseases are still not sufficient to prevent them from spreading easy among the population

The artist tried stimulate interest in painting by taking his students to th museums.

Venus, the second planet from the Sun, exactly almost same size as the Barth.

These engines used being started hand. But now they are started by electricity.

Many theories on conserving the purity of water has been proposed but not one has been as widely accepted as  one.

Gunpowder, in some ways the most effective of all the explosive materials, were mixture of potassium nitrate, charcoal, sulfuric.