In its pure State, aluminum is a weak metal, but when combined with elements such as copr or magnesium, it is formed alloy of great strength

Câu hỏi liên quan

• Choose the best option:

  Scientists ____ on the site found many ancient tools, tombs and pottery, and made some important archaeological discoveries.

• Often a headache is caused by the contrac of one of the muscle group that cover the skull, thus causing spasm and pain.

• He scoreds good a goal that a wild cheer raised from the stands.

ZUNIA12

• The most visi remind of the dose relation between the United States and France is the famous Statue of Liberty, which stands in New York Harbor

• The better you are at English, chances you have to get a job at international organizations.

• The environment can be defines as all living and nonliving items in an area at specify time.

• Geologists find it useful to identification fossils in a rock sample because certain assemblages of species are character of speci geologic time periods.

• The world oceans have risen on average of 6 inches over past 100 years, which has been considered as an evidence global warming has an effect.

• Scientists are still uncertain of what universe originated millions of years ago

• Duty of police is the maintains of the law and order .

• Lara goes to a ........  temple every week.

• Keep trying to learn English. Do not give up. Eventually, you will succeed, even though you may not know how much time it will cost

• A lot of people ............  out of work if the factory closed down.

• Allen’s not having finished his thesis did not discourage him from applying for other program.

• Pigeons, many migratory birds, read the positions of the Sun and stars in order to orient them

• Some snakes have hollo teeth are called fang that they use to poison their victims

• Americans annually import more than $3 billi worthy of Italian clothing, jewel, and shoes.

• Every scientist knows that gravity is the force that maintains earth and the planets in its orbits around the Sun.

• A telephone, a satellite TV , a fridge and the (other facilities are availa in our hotel rooms

• Choose the letter A, B, C or D to complete the sentences. " You_____ yourself ill if you don't eat properly."