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Light rays what enter its eye must be focused onto point on the retina in order for clear visual image to form .

Only _______ doing homework, can you get good marks. 

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This will have some serious effect about agriculture

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Floods and earthquakes and other natural disaster happen all over the world, causing death and material damage.

Scientists believe that by altering genetic composition of plants, it is possible to develop specimens that are resisting to diseases and have increased food valueable.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence which is closest in meaning to the original one.

 You can refuse to answer my question in no way.

Choose the correct answer to complete the sentence. "We are totally exhausted after having finished successive _____ in only a day."

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The Red River, so is named because of the red-colored sediment it carries, it is on of main branches of the Mississippi.

Choose the best answer to complete each unfinished sentence, substitutes the underlined part.

I can watch TV and play computer games on Sunday because I ……..go to school that day.

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The world  would look eerie different if person eyes were sensitive to infrared radiation.

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While studying the chemistry of human body, Rosalyn Yalow won a Nobel Prize for the research she conducted on role of hormones.

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Too much water makes plants turning brown at the edges of their leaves

To attract the guests’ attentions at the party, a polite MC on first appearance may say.......

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If drivers obeyed the speed limit , fewer accidents can occur.

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The dentist gave me the check-up and then telling me I needed two teeth.

The_________of life forms on the earth makes zoology an interesting area of study.

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One of  the students who are bein considered for the scholarship are from that university

If the weather________worse, we won’t go to the beach.

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There is no limit to the diversity to be finding all the cultures of people throughout the world.

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Gothic Revival architecture has several basic characteristics that distinguish from other nineteenth-century architect styles.

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The bite of Black Widow spider can be very inflammatory to affected nerves that hospitalization may be required