由于使用铁路罐车计量时,往往是几台或几十台同时装卸油品,因此罐车之间的计量误差项中,有的可以互相抵消至零
参考答案：对
As everybody knows，kangaroos are native________Australia and are often regarded as one of Australia’s national treasures.
A．in
B．to
C．from
D．with
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