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题目内容
（国家开放大学理工英语3）
What is the training about?
— _______
选择一项：
A.
It is nothing.
B.
It is about the latest flood-proof design of hours.
C.
It is about one month.
— _______
选择一项：
A.
It is nothing.
B.
It is about the latest flood-proof design of hours.
C.
It is about one month.
参考答案
