The word "it" (Para. 4, the last sentence) refers to ______.A.great progressB.agricultureC
The word "it" (Para. 4, the last sentence) refers to ______.
A.great progress
B.agriculture
C.our soil
D.productivity
The word "it" (Para. 4, the last sentence) refers to ______.
A.great progress
B.agriculture
C.our soil
D.productivity
The word "unlearn" (Para. 5)can be replaced with "______."
A.undo
B.stop
C.break
D.move
In Para. 2 the word "inextricably" most nearly means______.
A.unexplained
B.formerly
C.forcefully
D.inseparably
The word "random" in Line 2, Para. 2 is closest in meaning to ______.
A.unpredictable
B.perplexing
C.independent
D.abnormal
According to the context, the word in "oncogenes" in para. 2 means ______.
A.genes that can kill cancer
B.genes that will lead to leukemia
C.viruses that can kill AIDS
D.genes that will lead to cancer
The word "luckily" (Para. 2)implies that______.
A.the result could have been worse
B.the crew delayed the sinking
C.the passengers could remain aboard
D.the radio communication was still available
"Cracking down on" (Para. 3)is closest in meaning to "______".
A.banning
B.bringing
C.throwing away
D.putting away
The phrase "token economies" (Line 1, Para. 5) probably refers to ______.
A.ways to develop economy
B.systems of rewarding students
C.approaches to solving problems
D.methods of improving performance
In saying "Man is now happy by definition" (Para. 1), the author is suggesting that ______.
A.man believes himself to be happy even though he may not be
B.consumer goods are the essential ingredients of happiness
C.both the body and the spirit of man are satisfied
D.real human happiness is probably unattainable
Which of the following is closest in meaning to the phrase" leveled off" (para. 2, Line 6)?
A.become very popular
B.stopped being popular
C.reached its lowest level in popularity
D.stopped increasing in popularity
The author uses the example of "two melodies" (Para. 2)to______.
A.show how deep and complex his music is
B.explain why people today enjoy his music
C.illustrate why Bach was a good music teacher
D.teach readers how to combine two songs
"Late (late, late, late!)nights are the norm" (Para. 5)is closest in meaning to "______."
A.She works more efficiently at night
B.She often reads story books at night
C.She usually works late into the night
D.She normally mails packages at night