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【简答题】
光缆的基本结构一般由（）、加强构件、填充物和护层等几部分组成。 A. 缆芯
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皮皮学刷刷变学霸
举一反三
【单选题】An unlocked door is an _______ to car stealing. [ ]
A.
invitation
B.
interest
C.
attention
D.
addiction
【单选题】What kind of invitation is it?
A.
A birthday party invitation
B.
A festival party invitation
【简答题】Invitation to Tender
【简答题】请总结工程项目创建与配置得四个步骤？
【简答题】Invitation documents
【单选题】There is ________ invitation on the desk. _______ invitation is from Lucy.
A.
an; An
B.
the; An
C.
an; The
D.
the; The
【单选题】It is unnecessary to reply to an invitation when _________.
A.
the invitation bears the letters 'R. S. V. P'
B.
you are very busy.
C.
a great many people are invited.
D.
the hostess wants to invite others.
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