When a pearl is cut half and examined under a microscope, but its layr can be seen

Câu hỏi liên quan

• Life expectancy has increased a great deal in of  modern medicine and technology.

• A pharmacist’s ethical standards have to be high because he is entrusted to storage and distribution of dangerous drugs

• Needles are simple – looking tools, but they are very relatively difficult to make.

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• Louis Braille designed a form of communication enabling people to convey and preserve their thoughts to incorporate a series of dots which were read the finger tips.

• The first vaccine ever developed was used to combat and fight a smallpox, disease resulting from infection by a virus.

• Rice, which it still forms the staple diet of much of the world’s population, growsot best hot , wet land.

• They were all shock his failure in the competition

• Scientists are always looking for new _____________ of energy. 

• When I was a secretary, the boss often made me to stay in office in the evenings.

• Find out error in each sentence: Our lifestyle changed since running water came to our village

• Migration of animals be initiated by physiological stimuli such reproductive changes, external pressures such as weather changes , or combination of either types of changes.

• Since rats are destructive nd may carry diseases, therefore many cities try to exterminate the

• Marie Curie, a famous Polish physician, won he Nobel Prize when she discovered the radioactive metal Radium and Polonium.

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

• If the water level has raised a little higher, dam would probably have broken.

• Psychological studies show that many students feeling terrible about the results f tests on which they have actually performed well.

• Until Hollywood invented him, Leonardo DiCaprio was practical unknown.

• To be successful in an interview, you should control the feeling of pressure and making good impress on the interview

• Many small islands in Indian Ocean are threatened by raising sea level.

• A film isn’t worth to watch, whenever its subject, unless it engage the viewer’s mind and makes him think