提单的功能包括______。
A．货物收据
B．物权凭证
C．承运人的担保
D．转让的功能
E．运输合同的证明
参考答案：A,B,E
We have too many people in our country. Their life will be ___________ if there are ___________ children in a family.
A．richer; fewer
B．poorer; fewer
C．richer; more
D．richer; less
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