Leonardo da vinci was the first person to propose a contact lens system. in the sixteenth-century he described an optical method for correcting poor vision. da vinci’s idea was to place the eye against a short, water-filled tube sealed at the end with a flat lens. in this process, the water came in contact with the eyeball and refracted light rays much the way a curved lens does. -paraphrased from charles panati’s history of contact lenses— which sentence would most logically conclude this paragraph? a) many people wear contacts, to leonardo da vinci. b) glass remained the standard material of hard lenses until 1936. c) the first practical contact lenses were developed in 1877 by a swiss physician, dr. a. e. fick. d) da vinci’s use of water as the best surface to touch the eye is mirrored today in the high water content of soft contact lenses.

What argument does thomas jefferson make in this excerpt from the declaration of independence? we hold these truths to be self-evident that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty and the pursuit of happiness.-that to secure these rights, governments are instituted among men, deriving their just powers from the consent of the governed, -that whenever any form of government becomes destructive of these ends, it is the right of the people to alter or to abolish it, and to institute new government, laying its foundation on such principles and organizing its powers in such form, as to them shall seem most likely to effect their safety and happiness. a. b. c. the american colonists desire a more peaceful alliance with great britain but their british counterparts do not. the american colonists have a right to seek freedom from great britain due to the continued oppression of their basic rights. the american colonies could form a better government than the one established by great britain to govern them. the king of britain and the members of british parliament have little interest in the welfare of the colonies. od. e. the american colonies should have sufficient representation in british parliament if america and great britain are to coexist peacefully.

21) this excerpt involves david, who travels with an inventor named perry. they test their experimental invention, a vehicle that burrows into the earth's crust. which statement best reflects the human experience that is represented in this excerpt? a) humans are not always reliable guides. b) humans desire wealth and a life of ease. c) humans are drawn to explore and experiment. d) humans attempt to conquer and control nature. 22) which statement best reflects the human experience that is represented in this excerpt? a) humans desire to control nature. b) humans are frightened by nature. c) humans are fascinated by nature. d) humans cannot understand nature. 23) 8 “what do you mean perry? ” i cried. “do you think that we are dead, and this is heaven? ” suppose the author changed section eight as listed below. 8 “perry, i have to object! ” i cried. “you don't think that we are dead, and this is heaven, do you? ” which correctly identifies the author's meaning for the word object? consider the effect of the stressed or unstressed syllable in the word object. a) you would stress the second syllable because the word is a noun and means a goal or purpose. b) you would stress the second syllable because the word is a verb and means to express or feel disapproval. c) you would stress the first and second syllable because the word is a verb and means to modify an adjective. d) you would stress the first syllable because the word is a noun and means a thing that has a finite, physical form. 24) 2 together we stepped out to stand in silent contemplation of a landscape at once weird and beautiful. before us a low and level shore stretched down to a silent sea. as far as the eye could reach the surface of the water was dotted with countless tiny isles—some of towering, barren, granitic rock—others resplendent in gorgeous trappings of tropical vegetation, myriad starred with the magnificent splendor of vivid blooms. 3 behind us rose a dark and forbidding wood of giant arborescent ferns intermingled with the commoner types of a primeval tropical forest. huge creepers depended in great loops from tree to tree, dense under-brush overgrew a tangled mass of fallen trunks and branches. upon the outer verge we could see the same splendid coloring of countless blossoms that glorified the islands, but within the dense shadows all seemed dark and gloomy as the grave. which most completely analyzes this excerpt for a comment about life? a) beauty is kind and inviting. b) nature is evil and forbidding. c) there is no risk in following beauty. d) what appears beautiful can also be deadly.

Which best compares the authors’ purposes in silent spring and “save the redwoods”? both authors want readers to protect human rights. both authors want readers to focus on saving trees. both authors intend to entertain readers with their essays. both authors intend to convince readers of their viewpoint.