钢贸企业的经营模式包括（）
A.钢厂代理模式
B.绑定终端模式
C.期限配合模式
D.操作行情模式
参考答案：A, B, C, D
根据句意，用括号内所给单词的适当形式填空。
小题1:If you need physical __________(strong), you need to wear red clothes.
小题2:After reading the boring report, the engineer felt even _______ (sleep).
小题3:Don’t be so _______ (patient). The manager will announce the result soon.
小题4:The director is a special man, he likes doing everything _______ (different).
质量及HACCP体系的内部审核每（）年进行一次。
