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【单选题】
下列哪项是恶性瘤的主要特征?A.
核分裂象多
B.
细胞多、间质少
C.
瘤巨细胞形成
D.
浸润性生长和转移
E.
出血坏死
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【单选题】I was so tired that I ______ when I was sitting in the armchair reading.
A.
dropped away
B.
dropped out
C.
dropped off
D.
dropped through
【简答题】( )( )等途径,导致人才与文化交流,并逐渐促进了南北文风的交融。
【简答题】It was Valentine's Day, my freshman year of college. I was so young, the romantic type. All I wanted was a rose. A single rose to __ 36 __ up my Valentine's Day. Valentine's Day at school was over，and...
【简答题】完形填空. It was Mother's Day. I was so busy with my work that I couldn't 1 back home. When I passed by a 2 shop, a(n) 3 came to my mind, 'I'll send Mum some roses.' While I was 4 my flowers, a young man ...
【单选题】Heating the news that my father was ill，I was so worried that I couldn’t on anything．
A.
count
B.
consider
C.
contain
D.
concentrate
【单选题】I had promised to send him an email_______ I got home but I was so busy that I forgot to do so .
A.
while
B.
until
C.
the moment
D.
ever since
【单选题】I felt I was so happy ______ it was the first time that I had gone to the Universal Studio.
A.
that
B.
even though
C.
as
D.
when
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