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题目内容
（国家开放大学-理工英语3）
— Some cars are really expensive.
—
单选题 (10 分) 10分
A.
Certainly they are. They burn less gas.
B.
I do hope so.
C.
I don.t know about that.
—
单选题 (10 分) 10分
A.
Certainly they are. They burn less gas.
B.
I do hope so.
C.
I don.t know about that.
参考答案