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PartⅢ
Reading Comprehension
(40 minutes)
A rat or pigeon might not be the obvious choice to tend to someone who is sick, but these creatures have some_____ (27) skills that could help the treatment of human diseases.
Pigeons are often seen as dirty birds and an urban_____ (28), but they are just the latest in a long line of animals that have been found to have abilities to help humans. Despite having a brain no bigger than the_____ (29) of your index finger, pigeons have a very impressive_____ (30) memory. Recently it was shown that they could be trained to be as accurate as humans a detecting breast cancer in images.
Rats are often_____ (31) with spreading disease rather than_____ (32) it, but this long-tailed animal is highly_____ (33). Inside a rat's nose are up to l,000 different types of olfactory receptors(嗅觉感受器), whereas humans only have 100 to 200 types. This gives rats the ability to detect_____ (34) smells. As a result, some rats are being put to work to detect TB(肺结核). When the rats detect the smell, they stop and rub their legs to_____ (35) a sample is infected.
Traditionally, a hundred samples would take lab technicians more than two days to_____ (36), but for a rat it takes less than 20 minutes. This rat detection method doesn't rely on specialist equipment. It is also more accurate—the rats are able to find more TB infections and, therefore, save more lives.
27.【题干】_____.
【选项】
A.associated
B.examine
C.indicate
D.nuisance
E.peak
F.preventing
G.prohibiting
H.sensitive
I.slight
J.specify
K.superior
L.suspicious
M.tip
N.treated
O.visual
【答案】K
【解析】
28.【题干】_____.
【选项】
A.associated
B.examine
C.indicate
D.nuisance
E.peak
F.preventing
G.prohibiting
H.sensitive
I.slight
J.specify
K.superior
L.suspicious
M.tip
N.treated
O.visual
【答案】D
【解析】
29.【题干】_____.
【选项】
A.associated
B.examine
C.indicate
D.nuisance
E.peak
F.preventing
G.prohibiting
H.sensitive
I.slight
J.specify
K.superior
L.suspicious
M.tip
N.treated
O.visual
【答案】M
【解析】
30.【题干】_____.
【选项】
A.associated
B.examine
C.indicate
D.nuisance
E.peak
F.preventing
G.prohibiting
H.sensitive
I.slight
J.specify
K.superior
L.suspicious
M.tip
N.treated
O.visual
【答案】O
【解析】
31.【题干】_____.
【选项】
A.associated
B.examine
C.indicate
D.nuisance
E.peak
F.preventing
G.prohibiting
H.sensitive
I.slight
J.specify
K.superior
L.suspicious
M.tip
N.treated
O.visual
【答案】A
【解析】
32.【题干】_____.
【选项】
A.associated
B.examine
C.indicate
D.nuisance
E.peak
F.preventing
G.prohibiting
H.sensitive
I.slight
J.specify
K.superior
L.suspicious
M.tip
N.treated
O.visual
【答案】F
【解析】
33.【题干】_____.
【选项】
A.associated
B.examine
C.indicate
D.nuisance
E.peak
F.preventing
G.prohibiting
H.sensitive
I.slight
J.specify
K.superior
L.suspicious
M.tip
N.treated
O.visual
【答案】H
【解析】
34.【题干】_____.
【选项】
A.associated
B.examine
C.indicate
D.nuisance
E.peak
F.preventing
G.prohibiting
H.sensitive
I.slight
J.specify
K.superior
L.suspicious
M.tip
N.treated
O.visual
【答案】I
【解析】
35.【题干】_____.
【选项】
A.associated
B.examine
C.indicate
D.nuisance
E.peak
F.preventing
G.prohibiting
H.sensitive
I.slight
J.specify
K.superior
L.suspicious
M.tip
N.treated
O.visual
【答案】C
【解析】
36.【题干】_____.
【选项】
A.associated
B.examine
C.indicate
D.nuisance
E.peak
F.preventing
G.prohibiting
H.sensitive
I.slight
J.specify
K.superior
L.suspicious
M.tip
N.treated
O.visual
【答案】B
【解析】
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