Why did the depletion of rain forests result from the world’s growing population.'? a. Peo
A.a and b
B.a and c
C.c and d
D.b and d
A.a and b
B.a and c
C.c and d
D.b and d
"Why did you leave the meeting early?" "I found the discussion______."
A.boring
B.bored
C.bore
D.boredom
Why did the flames spread quickly?
A.The oven became very hot.
B.The houses were close together.
C.The baker did nothing to stop it.
D.The baker's house was burning quickly.
Why did the early Pilgrims want to share their feast with the Indians?
A. To show friendship.
B. To ask for their help in the coming winter.
C. So they could eat some Indian bread puddings.
D. To try to teach them to grow crops.
A.She was too busy
B.She forgot to sort the files
C.She was ill
A.offer
B.leave
C.afford
D.manage
Why did the professor study the Brazilian students' behavior?
A. He felt puzzled at the students' being late.
B. He felt angry at the students' rudeness.
C. He wanted to make the students come on time later.
D. He wanted to collect data for one of his studies.
Why did the dollar rally at the beginning of the year?
A.It was the beginning of the year.
B.Traders' sentiment was changing greatly.
C.People thought that the US economy would recover and German interest rate would ease soon.
D.The present US-German interest rate differential would be unlikely to narrow.
Why did David decide to leave school and start working?
A.He received lots of job offers.
B.He was eager to help his mother.
C.He lost interest in school studies.
D.He wanted to earn his own living.