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题目内容
（国家开放大学理工英语3）
What does your company specialize in?
— _______
选择一项：
A.
Our company is very large.
B.
Our company specializes in flood-proof development.
C.
Our company is located in Beijing.
— _______
选择一项：
A.
Our company is very large.
B.
Our company specializes in flood-proof development.
C.
Our company is located in Beijing.
参考答案