【简答题】The spring used on today's cars and trucks include leaf springs, coil springs, air springs and torsion bar.According to this sentence, which statement is true?A. Most springs are leaf springs. B. Most...
【单选题】听力原文:M: Hello? W: Hello, Debbi. This is Frank. I’m in a bit of a crisis. M: What happened ? W: I'm here at the station and my train leaves in twenty minutes. The problem is my suitcase is missing and ...
A.
Someone took his suitcase by mistake.
B.
He left his suitcase in the trunk of a taxi.
C.
Someone stole his suitcase at the railway station.
D.
He lost all his important documents including his train ticket.