[单项选择]Although cats cannot see in complete darkness, their eyes are much more ______ to light than are human eyes.


A. sensitive
B. glowing
C. brilliant
D. gloomy

[单项选择]Although cats cannot see in complete darkness their eyes are much more ______ to light than are human eyes.
A. glowing
B. brilliant
C. sensitive
D. gloomy

[单项选择]Although cats cannot see in complete darkness, their eyes are much more ______ to light than are human eyes.


A. glowing
B. brilliant
C. sensitive
D. gloomy

[单项选择]Darkness doesn't trouble cats, for they can see ______.
A. in dark
B. in the dark
C. in a darkness
D. in darkness

[单项选择]He cannot see anything without his glasses, so he made a（） of remembering to get them fixed before he went to work.
A. chore
B. success
C. point
D. mess

[单项选择]You cannot see the patient at the moment; he is now ______ medical treatment.
A. in
B. on
C. under
D. at

[单项选择]Persons who cannot see, hear, or speak are able to communicate through a system of ________.


A. gesturing
B. handshaking
C. hand stroking
D. backslapping

[单项选择]We cannot see any possibility of business ________ your price is on the high side of the prevailing market trend.
A. which
B. though
C. that
D. since

[单项选择]I cannot（）your plan,for I see no money return for the pursuit.
A. argue with
B. approve of
C. rurn down
D. give up

[单项选择]Throughout the period of darkness, Martin Saltzman and the eleven others were ______.


A. nervous
B. excited
C. calm
D. frightened

[单项选择]Peering through the darkness, the traveller could _______ lights in the distance and then he doubled his pace.


A. perceive
B. discern
C. recognize
D. visualize

[单项选择]According to the passage, dogs and cats,


A. as well as human beings can not see some colours
B. have fewer cones than human beings
C. have less rods than human beings
D. can see colours as well as human beings

[单项选择]

Passage 5
Darkness approached and a cold, angry wind gnawed at the tent like a mad dog. Camped above treeline in the Wind River Mountains of Wyoming, the torrents of air were not unexpected and only a minor disturbance compared to the bestial gnawing going on behind my belly button. In an attempt to limit exposure of my bare bottom to the ice-toothed storm, I had pre-dug a haft dozen catholes within dashing distance. Over and over, through the long night, the same scenario was repeated: out of the bay, out of the tent, rush, squat, rush back. "Everyone can master a grief," wrote Shakespeare, "but he that has it."
Diarrhea, the modem word, resembles the old Greek expression for "a flowing through." Ancient Egyptian doctors left descriptions of the suffering of Pharaohs scratched on papyrus even before Hippocrates, the old Greek, gave it a name few people can spell correctly. An equal opportunity affliction, diarrhea has laid low
A. Ancient Egyptians
B. An old Greek
C. American soldiers
D. The passage doesn't tell