Text-1 Read the text. Then choose the correct answer for questions 1-2

78. The author informs us that an alphabet is...
A) the sound used when we speak
B) a group of meaningless symbols
C) a group of signs that stand for vocal sounds
D) two Greek letters alpha and beta
79. We can understand from the passage that alphabets are well-suited for writing because...
A) they derive from ancient hieroglyphics
B) their letters represent specific words or ideas
C) they can have thousands of different letters
D) they are not as rigid as other symbolic systems
80. According to the passage academics disagree about...
A) the disadvantages of alphabets
B) the key to cuneiform scripts
C) pictograms and ideograms
D) the origin of alphabets
Read the text. Then Choose the correct answer for each question below (81-83).
Each year about 7000 people in the United States are bitten by poisons snakes. Fewer than a dozen of these person die but many are left with disability of a limb and scarring at the site of the bite. Persons at greatest risk are those who handle snakes for purposes of entertainment, religion or science. Outside the high-risk group hunters farmers and fishermen are the most likely to be bitten. The best way to tell the difference between a poisonous and a non-poisonous bite is to identify the snake. A non-poisonous bite doesn't usually cause much pain or swelling though the wound many bleed freely. When there is any doubt as to whether the snake is venomous presume that the bite was poisonous and take precautions.
81. We can infer the passage that a group of maximum risk of being bitten by venomous snakes include people who...
A) are unable to distinguish between different snakes
B) hunt animals for sport or who deal with farming
C) work directly with snakes or worship using them
D) try to catch snakes and put them in captivity