无担保流动资金贷款的担保方式采用的是（）的方式。
A.抵押
B.质押
C.保证
D.个人信用担保
参考答案：D
我们保护动物多样性，即是要禁止一切形式的猎杀、买卖和开发利用。（ ）
The risk to the exporter in open account trading is that by surrendering the shipping documents to the importer, he（）before he has obtained payment for them.
A．is in control of the goods
B．loses control of the goods
C．retains control of the goods
D．gives up control of the goods
