Section A Directions: In this section, there is a passage
with ten blanks. You are required to select one word for each blank from a list
of choices given in a word bank following the passage. Read the passage through
carefully before making your choices. Each choice in the bank is identified by a
letter. Please mark the corresponding letter for each item on Answer Sheet 2
with a single line through the center. You may not use any of the words in the
bank more than once.
The modern age is an age of electricity. People are so
(47) to electric lights, radio, televisions, and telephones that
it is hard to imagine what life would be like (48) them. When
there is a power failure, people search (49) with the hands
in darkness or candlelight, cars hesitate in the street (50)
there are no traffic lights to guide them, and food (51)
in silent refrigerators. Yet people began to
understand how electricity works only a little more than two centuries ago.
Nature has (52) been experimenting in this field for millions
of years. Scientists are (53) more and more that the living
world may hold many interesting secrets of electricity that could benefit
humanity. All living cells send out (54)
pulses of electricity. In fact, they are so small that sensitive
(55) are needed to record them. As the heart beats, it sends out
pulses of record; they form an electrocardiogram, which a doctor can study to
determine how well the heart is working. It has been recently discovered that
although individual cell only sends out small pulse, when large numbers of these
cells are linked together, the effects can be (56) . Some
interesting phenomenon in the animal world can thus be explained.
A) about
I) improve
B) maps
J) due to
C) quickly
K) used
D) with
L) tiny
E) discovering
M) apparently
F) astonishing
N) instruments
G) spoils
O) because
H)
without