Whats the main task for "Deep Impact" this time？A．To visit other planets.B．To destroy the

Whats the main reason for the decline of Asian elephants？A．Their taming for circuses and z

Whats the passage mainly about？A．An outline for future research.B．An analysis of a dispute

What is the main task for aid workers now？A．To recover more bodies.B．To reconstruct the ci

Whats the main feature of the new method of paying for meals？A．All students pay the same a

Whats the main purpose of the passage?A.To thank a French insurance company for what has

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