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【简答题】
求Sn=a+aa+aaa+...+aa...aaa(有n个a)之值,其中a是一个数字。例如:3+33+333+3333(n=4),n由键盘输入。
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反馈参考答案：
举一反三
【单选题】The sentence “shall I compare thee to a summer’s day?” is the beginning line of one of Shakespeare’s_____.
A.
Comedies
B.
Tragedies
C.
Sonnets
D.
Histories
【单选题】“Shall I compare thee to a summer's day ? ”is the beginning line of one of William Shakespeare's__.
A.
songs
B.
plays
C.
comedies
D.
sonnets
【简答题】当车身加强件错误切割的尺寸超过某值时,即使修复好了,也会影响其强度,这个数值是( )。A. 4
mm B. 5
mm C. 6
mm
【单选题】______six years since I began to study English.
A.
It has been
B.
I have been
C.
There are
D.
It was
【单选题】“Shall I compare thee to a summer’s day?” The sentence is the beginning of Shakespeare’s_______.
A.
comedy
B.
tragedy
C.
sonnet
D.
poem
【单选题】The sentence "Shall I compare thee to a summer's day?" is the beginning line of one of Shakespeare's _____.
A.
comedies
B.
tragedies
C.
sonnets
D.
histories
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