d22-고2-201111월교육청-21-a~c에서-어법에-맞는-표현을-바르게-짝지은-것은-2점-when-volcano-in-iceland-erupted-first-time-in-ov

Question

D22 ***
고2 2011(11월)/교육청 21
(A)~(C)에서 어법에 맞는 표현을 바르게 짝지은 것은? [2점]
When the volcano in Iceland erupted for the first time in
over 200 years, many people were surprised. The
volcanic ash, after blasting high into the atmosphere,
(A) □□□□□ / presented a risk to the engines of
airplanes. Even after the eruption had died down, the
ash still remained in the sky. According to many experts
at that time, a satellite using laser technology could
determine the concentration of the ash. They also added
(B) that / what they would be able to figure out how
much of a risk the ash would be for aircraft engines. By
shooting beams of light at the ash clouds, the satellite
could catch the light that was bounced back. From this
they believed they would be able to determine how
concentrated the ash was and, thus, how (C) dangerous
/ dangerously it could be for aircraft to fly through.
(□□□□□)

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