13.It's known to all that the sun ____ light and heat, which are essential to the growth of plants on earth.
A. sprays B. absorbs C. radiates D. reflects
14.In ____, the experiment was more difficult than we had imagined.
A. response B. retrospect
C. consequence D. particular
15.For fear of being scolded by the teacher, the boy gave a ____ excuse for his absence.
A. liberal B. temporary C. lame D. disabled
16.The broadcast was ____ to Europe so
that people in that region could hear our voice.
A. relayed B. exported
C. transferred D. transported
17.The three men were given different work according to their ____ abilities.A. identical B. respectable
C. respective D. respectful
18.He ____ whether the articles exhibited at the back of the department store were for sale.
A. demanded B.inquired C.required D.requested
19.The defeated army had to ____ hastily from the battle field to the mountainous area.
A. retrieve B. resign C. retreat D. quit
20.Your teacher is still very weak, so do not ____ your visit.
A. delay B. lengthen C. shorten D. prolong
21.He ____ enough information on his tour of South America to write a book.A. compiled B. packed C. edited D. assembled
22.Having suffered a lot of setbacks, he was getting too ____ to trust others.A. optimistic B. cynical
C. pessimistic D. solitary
23.It's ____ to send cards to relatives and friends during the Christmas season.A. experimental B. superior
C. liberal D. customary
24.The complete ____ in Grade 4 includes computer, philosophy, paper writing and translation.
A. curriculum B. subject
C. procedure D. profession
25.Adult as he is, he hasn't learned to ____ his temper.
A. resist B. retreat C. curb D. irritate
26.The robbers had just broken into the store, when the alarm rang, right on ____.
A. shift B. saleC. purpose D. cue