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【判断题】
敌对进路可以通过道岔进行区分,抵触进路无法通过道岔进行区分。A.
正确
B.
错误
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举一反三
【简答题】透射电镜在高分子材料分析中的作用有哪些?
【单选题】LS6-4 4. Listen to the following five short dialogues and choose the appropriate answers.
A.
She arranged to meet her friend later.
B.
She fixed her friend's tape recorder.
C.
She tried to telephone her friend.
D.
She went to her friend's house.
【简答题】北方气旋、南方气旋活动范围在什么地方?在我国境内它们各包括哪些气旋?
【简答题】A. Listen to the short dialogues and fill in the blank. Dialogue 4 product: _____________ source of information: Mr. Wang Rong
【简答题】( )色面积最大,有( )个小正方形拼成 ( )色面积最小,有( )个小正方形拼成
【简答题】B. Listen to the short dialogues and answer the following questions. Dialogue 4 Q1. As regards partial shipments, what's Mr. Li's idea of shipping the first lot? A1. 30% of the goods will be shipped _...
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