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【单选题】
根据《招标投标法实施条例》，潜在投标人对招标文件有异议的，应当在投标截止时间（ ）日前提出A.
2
B.
3
C.
5
D.
10
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举一反三
【简答题】Three of them have gone to the library. What about__________？
【多选题】What are you expected to check before you upload your writing script?
A.
All the sentences have subjects and predicates.
B.
The structures and phrases are used in the correct way.
C.
The part of speech of the words are used as in the right way.
D.
The sentences are written according to the Chinese we think of strictly.
【简答题】The following passage is about how to make use of email effectively. Listen to it and write down what you hear. Try to make your writing as precise as possible. After you finish listening, please uplo...
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