问题
单项选择题
The ( ) were carefully inspected before we issue the Phytosanitary Certificate.
A．animal products
B．plant products
C．machines
D．electronic toys
答案
参考答案：B
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The ( ) were carefully inspected before we issue the Phytosanitary Certificate.
A．animal products
B．plant products
C．machines
D．electronic toys
参考答案：B