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.

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• Upon reaching the destination, a number of personnel is expected to change their reservations and proceed to Hawaii.

• A computer networks usually includes either selected employees of a particular business or or people who do not work together but have similar interests.

• One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

  If I had known that the road were flooded, I would never have taken that way. 

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• A City University Professor reported that he discovers a vaccine which has been 80 % effective in reducing the instances of tooth decay among small children.

• In the 1970’s consumer activities succeeded in promoting laws that set safety standards for automobiles, children’s clothing, and a widely range of household products.

• I’ve got my photos drying out on the kitchen floor, so whatever you will do, don’t tread on them!

• He has made a lot of mistakes in his writing because his carelessness.

• “I’m not staying any longer.” “I wish you ____.” 

• By studying the fossils of pollen, which extremely resistant to decay, researchers can gain useful information about the vegetation of the past

• Some methods to prevent soil erosion are plowing parallel with the slopes of hills, to plant trees on unproductive land, and rotating crops

• In the United States, about 75 percent of the total tomatoes crop is processed into juice, caned tomatoes, sauces, pastes, and ketchup.

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

• Since the computer was invented, the work of accountants have been simplified.

• Julie’s mother abandoned her when she was a few of months old and she grew up in an orphanage.

• You don't know her, _    ?

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

• A fragrant plant has tiny sacs that makes and stores the substances that give it a pleasant odor.

• To remove stains from permanent press clothing, carefully soaking in cold water before washing with a regular detergent.

• I would have gone with him to Washington except I had had no time

• Under the crust of the Earth are bubbling hot liquids that sometime rise to the surface.