I must say that you have done very well. ________, you should be aware that you still have a lot of thing to learn.

The sum of all chemical reactions in an organism’s living cells are called its metabolism

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

Most sand dunes are always in motion as wind pushes sand upward one side of each dune, over the top, and down the other side

Consequently the kit fox is an endangered species, wildlife experts in the California desert are using carious methods to protect it.

A 1971 U.S government policy not only put warnings on cigarette packs but also ban television advertising of cigarettes.

There is not equivalent to this word in any other language

Choose the word or phrase that can substitute for the underlined word:

Walking and swimming are the two most popular sporting activities undertaken by men and women.

Some of the land in that region is so wet and hot and covered with jungle that a few people live there.

They are planning on attending the convention next month, and so I am

The product you bought at the lower price is more interior than the one that we sell at a slightly higher price.

Jim invited Helen to visit his gardens:

- Helen: "I love your gardens. The plants are well taken care of!"

- Jim : “Thanks. Yes, I suppose I've always ____.”

A mainframe computer is large and is usually used to operate a network of another computers.

Among the world’s 44 richest countries, there has been not war since 1945.

It is their nearly perfect crystal structure that gives diamonds their hardness, brilliance, and transparent.

In the architecture, a capital is the top portion of a column

Because of their color and shape, seahorses blend so well with the seaweed in which they live that is almost impossible to see themselves.

Some of the agricultural practices used today is responsible for fostering desertification.

Geography is a very interesting subject; _______ very few people study it thoroughly.

Per capita income is a nation’s entire income dividing by the number of people in the nation.

Most presidential candidates have their names print on the ballot in the New Hampshire primary election because it is customarily the first one in the nation, and winning it can give a good chance to be nominated by their parties.