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【单选题】
与IgE具有亲和性的细胞是A.
嗜酸性和中性粒细胞
B.
毛细血管基底膜细胞
C.
Mφ细胞
D.
嗜碱性粒细胞及肥大细胞
E.
NK细胞
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举一反三
【单选题】Most respondents of the Wall Street Journal poll______.
A.
are pessimistic about America's general track
B.
are optimistic about the country's outlook
C.
appreciate America's economic recovery
D.
feel that they couldn't afford a house
【单选题】The Midwest is America's most important______ area.
A.
agricultural
B.
industrial
C.
manufacturing
D.
mining industry
【单选题】In the program title' America' s Most Wanted' ( line 1, para 3 ), 'most wanted' probably refers to______.
A.
criminals
B.
producers
C.
police
D.
actors
【单选题】California, by some measures America's most【C1】______ state, is at the same time its most agricultural state【C2】______ total farm income. In 1988, the market value of【C3】______ products sold in Califo...
A.
civic
B.
municipal
C.
urban
D.
urbanized
【单选题】It is acknowledged that the modem musical show is America's most original and dynamic contribution toward theater. In the last quarter of 20th century, America has produced large 【21】______ of musical...
A.
number
B.
amount
C.
quantity
D.
numbers
【单选题】Christmas was a very ordinary day for most people in America' s southern colonies.
A.
Y
B.
N
C.
NG
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