The steam engine is usually thought of as a relative modern invention, but the Greeks built a kind of steam engine in ancient times

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• Choose the correct answer to complete the sentence. "Global warming has severe impact_____ water supplies."

• The police at first knew where the bandit was hiding , but later lose track of him.

• I wouldn’t have to take this course if my English ____ better. 

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• I dropped out of college after one term and went on traveling around the world instead 

• Two experiments were completed in like fashion, but the results of the experiments were not at all like.

• Gwendolyn Brooks, which won a Pulitzer Prize for Poetry in 1950, had 75 poems published by the time she was twenty.

• A seismograph oscillation of the ground caused by seismic waves, vibrations that travel from its point of origin through the Earth or along its surface.

• Some of us have to study their lessons more carefully if we expect to pass this examination.

• The campaign will hopefully ensure the survival ...... the tiger.

• Villagers are hoping for raining this month after nearly a year of dry weather

• Medical research indicates that large amounts of Histamines can responsible for cold, high fever, and other respiratory reactions.

• In 1950 , it was naively predicted that eight or ten computer would be sufficient to handle all of the scientific and business needs in the United States.

• Choose the correct answer to complete the sentence. "______ they stopped deforestation, it might help prevent global warming"

• Since it lives in the desert, the collared lizard depends from insects for water as well as for food.

• I wish you ______________ making that noise. It's bothering me. 

• Nobody was watching, so the little boy took the packet of sweets from the shelf and putting it in his pocket.

• Choose the correct answer to complete the sentence. "The ______ way to do this was to expose the food to sun and wind"

• Before the invention of the printing press, books have been all printed by hand.

• Numerous types of cells, such as skin cells and white blood cells, have the power reproduce asexually.

• Visitors may realize that even though they can’t make their homes in Da Lat City, they can take away with them memories of their beauty