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题目内容
（理工英语1）
How long is the longest cross-sea bridge?
选择一项：
a. It has a total length of 68.988 km.
b. It has a total length of 94.968 km.
c. It has a total length of 49.968 km.
选择一项：
a. It has a total length of 68.988 km.
b. It has a total length of 94.968 km.
c. It has a total length of 49.968 km.
参考答案