1)choose the right answer
- postal service was almost nonexistent in the colonies.
- there were about twenty-two colonial newspapers by 1775.
- phosphors are used in fluorescent lamps, television tubes, and other devices.
- the tips of some undersea mountains from islands in the middle of the ocean.
- three types of fish: jawless fish, cartilaginous fish, and bony fish.
- it is impossible to stop yourself from blinking except for a short period to time.
- it takes the sitka spruce a hundred years to grow eleven inches.
- mountaineering as we know it today was developed by the Swiss scientist Horace de sassure around 1773.
- nearly three-quarter of the surface of the earth is covered by water.
- by the mid-eighteenth century there were so many new immigrants entering North America from Europe that the original colonies in the Northeast were overcrowded.
- it was not until the end of the seventeenth century that scientists began to stress the importance of experiment as a way of gaining knowledge.
- stonefish are the most poisonous fish in the world.
- seismic prospecting is widely used to map out rock structures below the ground.
- to travel in space, a rocket has to be powerful enough to break out of the pull of the earths gravity.
2)choose the right answer
- the first systematic chart ever made of an ocean current was published by Benjamin Franklin.
- petroleum are found on every continent and beneath every ocean.
- animals have been lived on earth for at least 700 million years.
- during the ice age, glaciers advanced and retreated several times over large areas of the earth.
- some fish are sensing distortions of electrical field through special receptors.
- the widespread use of oil and gas to make chemicals has begun during the 1920s.
3) from the four underlined words or phrases, identify the one that is not correct.
- The American architect, Frank Lloyd developed a theory of architecture stressed the needs of the people who used it. /stressed- that stressed/
- Pelicans have a long, straight bill with a flexible pouch makes of skin on the underside. /makes- made/
- In some countries, octopuses and snails are considered being great delicacies to eat. /being- to be/
- Many dyslexics have a difficulty to remembering the sequences of letters in a word and distinguishing right from left. /to remembering- at remembering/
- Men and women in the Peace Corps work with people in developing countries to help them improving their living conditions. /improving- improve/
- Seahorses spend much of their time clung with their tails to underwater plants. /much-most/
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