单项选择题

The plant products have been carefully inspected and are considered to be ( ) from any quarantine pests.

A．out
B．away
C．free
D．far
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单项选择题
英译汉：“Phytosanitary Certificates”，正确的翻译为( )。
A．动物检疫证书
B．植物检疫证书
C．动物检验证书
D．动物检疫证书
单项选择题
We'd like to clear up some points ( ) with the technical part of the contract.
A. connected



B. connect
C. connecting



D. being connected
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