Câu hỏi :

Which of the following is true of the Glomar Challenger?

A It is a type of submarine  

B It made its first DSDP voyage in 1968

C It is an ongoing project

D It has gone on over 100 voyages

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

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