Today’s nuclear fission fuels are the remnants of which used to be a much more mixture of radioactive and fissionable materials two billion years ago and earlier.

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• Because the diamond is the hardest naturally occurring substance, it is used in industry for to cut, grinding, and boring other hard materials

• Find the word which has a different sound in the part underlined.

• We must be very careful with sensitive issues such like this, to avoid giving offence

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• Light can travel from the Sun to Earth in eight minute and twenty seconds.

• One decibel, which is a  unit of relative loud , is the smallest amount of change detected by human ear

• Genetic engineering is helping researchers unravel the mysteries of previously incurable diseases so that they can get to its root causes and find cures

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

• Choose the best answer to complete the following sentences: Gagarin was the first person to eat and drink in zero gravity.

• Most modern barns are both insulated. ventilated equipped with electricity

• The living room was enough large accommodate two long sofas easily

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

• One of the beautiful botanical gardens in the United States is the wildly and lovely Magnolia Gardens near Charleston, South Carolina.

• Due to the forecast, the tunnel will be finished next year.

• The number time he spends gardening is increasing every day.

• The examination will test your ability understand spoken English, to read non-technical language, and writing correctly.

• After a while, the track we have been following became thick undergrowth

• The extraordinary beautiful of orchids makes them basis of a multimillion-dollar industry.

• Nuclear powers production in the us is controlled by the Nuclear Commission

• The bold way in which Margaret Mead defined the terms “family” – based as much on choice as on biological relationship – is possibly most enduring of her legacies.

• If it is kept dry, a seed can still sprout to forty years after their formation.