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【单选题】
行业集中度可以反映某行业的饱和度和垄断程度，一般可以使用____________________来反映。A.
阿里指数
B.
赫芬达尔指数
C.
百度指数
D.
道尔指数
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反馈参考答案：
举一反三
【简答题】The purpose of these ceremonies is to keep away evil spirits, rather than to ask for the sea god's protection.
【单选题】Usually we classify prefixes according to their _______ .
A.
functions
B.
meanings
C.
characters
D.
stems
【单选题】Keep yourself confidence up by taking gradual steps forwards, rather than freezing, when ______ with what seems like great trouble.
A.
to face
B.
face
C.
facing
D.
faced
【单选题】Prefixes usually modify ___________.
A.
the meaning of the original word
B.
the part of speech of the original word
C.
both the meaning and the part of speech of the original word
D.
none of them above
【判断题】Prefixes usually modify the part of speech of the original word, not the meaning for it.
A.
正确
B.
错误
【单选题】Focusing on the outcome rather than the performance helps keep the game in perspective.
A.
Y
B.
N
C.
NG
【单选题】The boy would rather _______ the story to himself than ______ it with his friends.
A.
keep; to share
B.
to keep; share
C.
keep; share
D.
to keep; to share
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