Inventing by Roger Bacon, the magnifying glass led to the creation of other scientific tools which have produced immeasurable scientific progress.

Câu hỏi liên quan

• An itch resulting when a nerve that can carry pain is only lightly stimulated.

• When Cliff was sick with the flu, his mother made him to eat chicken soup and rest in bed.

• Choose the best word or phrase to complete the following sentences:

  He was homesick and he _________ all his family and friends.

ZUNIA12

• Rainwater carries unused chemicals from fields into streams or lakes, where various compounds promote the rate growing of weeds

• Colleges in the newly formed United States, in recovering from the adverse effects of the American Revolution, inaugurated a broad curriculum in response of social demands.

• Protecting Florida’s coral reefs is difficult because some of the corals are very fragile even the touch of a diver’s hand can kill it

•  Hung Kings Temple was constructed to ____________ their contribution to found our country.

• VOCABULARY AND STRUCTURES: Choose the best options 

  Will you please stop ________________ noise? 

• Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

  __________ you study harder, you will not win a scholarship.

• Every city in the United States has traffic problems because the amount of cars on American streets and highways is increasing every year.

• VOCABULARY AND STRUCTURES: Choose the best options 

  Few businesses are flourishing in the present economic climate. 

• Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

  He _________ a bachelor’s degree in computer information systems in 1951.

• Choose the best answer:

  The film was quite. All the children are __________ in the film.

• Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

  I expect it will rain again when we're on holiday this year, but at least we are properly prepared_________ it this time.

• Choose the letter A, B, C, D to indicate the correct answer to each of the following questions:

  Julia said that she _________ there at noon.

• Wordsworth was one of the first European poet to consider the lowliest members of society to be valid subjects for poetry

• Choose the letter A, B, C, D to indicate the correct answer to each of the following questions:

  We _________ Peter since last Monday.

• Before she moved to California, with its much milder climate, Betty found that her health improved considerably.

• For many years, scientists studying the effects that the sun has on human skin.

• After writing it, the essay must be duplicated by the the student himself and handed into the department secretary before the end of the month.