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【单选题】
气管、支气管黏膜上皮属于A.
单层扁平上皮
B.
单层立方上皮
C.
单层柱状上皮
D.
假复层纤毛柱状上皮
E.
以上都不对
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皮皮学刷刷变学霸
举一反三
【单选题】The word 'orator' originally meant speaker but now it signifies the person who makes speech. This is an example of ______.
A.
narrowing of meaning
B.
widening of meaning
C.
meaning shift
D.
loss of meaning
【单选题】The sports meet, originally _____ this week, has to be put off because of the bad weather. [ ]
A.
held
B.
holding
C.
having been held
D.
to be held
【单选题】Who originally put forward Cooperative principle?
A.
Herbert Paul Grice
B.
Searle
C.
Austin
D.
James
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