Question

as audio technology changes, so do the ways people listen to music. when music was mostly on those large discs called records, music listening happened at home. the turntable used to play albums is not very portable. eight - track tapes made listening to music in the car possible. then devices got smaller, and music became even more portable. the invention of the walkman portable cassette player meant a person could carry music everywhere. portable cd players were also easy to carry. however, they often skipped if they were bumped. mp3 players are still relatively new and are the most portable music option of all. a person with an mp3 player can carry as much as 40 days worth of music at once and never have to worry about the music skipping

1. which sentence from the paragraph supports the idea that music became more portable as audio devices got smaller?

a. \as audio technology changes, so do the ways people listen to music.\
b. \the invention of the walkman portable cassette player meant a person could carry music everywhere.\
c. \the turntable used to play albums is not very portable.\
d. \when music was mostly on vinyl albums, those large discs called records, music listening happened at home.\

camp david is a secure location where the president can get away from it all. established in 1942 by president roosevelt, camp david is located in maryland, about 70 miles from washington, d.c. in a heavily wooded area. u.s marines patrol the area providing optimal security. the marines are part of the navy. because camp david is so close to washington, the president can be back at the white house very quickly in the event of a crisis.

1. which sentence supports the idea that camp david is secure?

a. camp david is in a heavily wooded area.
b. u.s marines patrol the surrounding area.
c. camp david is very close to washington, d.c
d. it was established by president roosevelt.

Explanation:

1. For the first question, we need a sentence that links smaller audio devices to increased portability. Option B states the Walkman (a smaller device) let people carry music everywhere, which directly supports the idea.
2. For the second question, we need a sentence showing Camp David's security. Option B mentions U.S. Marines patrol the area, which is a direct measure of security.

Answer:

1. B. "The invention of the Walkman portable cassette player meant a person could carry music everywhere."
2. B. U.S. Marines patrol the surrounding area.