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【单选题】
肉芽组织的主要组成成分是A.
新生的纤维细胞和毛细血管
B.
新生的成纤维细胞和毛细血管
C.
新生的成纤维细胞和炎细胞
D.
新生的纤维细胞和炎细胞
E.
胶原纤维形成
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举一反三
【单选题】He talked about the feasibility of setting up an experimental school in which each child works at his or her own pace.
A.
practicability
B.
possibility
C.
necessity
D.
reliability
【单选题】Why the prefix 'e-' is Allan Metcalf's favorite when he talked about the words to define the end of the century?
A.
e- is more popular than any other word.
B.
e- means electronic.
C.
He thinks 'e-' is often used in people's communication.
D.
e- is often used online.
【单选题】What does the author mean when he talked about the 'dual role' of parent-coach in North American?
A.
Some coaches are also parents of the young athletes.
B.
The parent-coach can give the athletes both positive aspects and pressure.
C.
The negative influence of a parent-coach can outweigh the positive ones.
D.
A parent-coach may have different influences on individual athletes and collective ones.
【简答题】变压器的励磁阻抗可以通过()试验测得。
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