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电子电路通常分为__和 _

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二极管的最主要特征是,即; 。

Payment can make online from your checking or savings account.

A. 对
B. 错

This type of loan is frequently useing for this purpose.

A. 对
B. 错

It is possible that we reach a long-term agreement with the company.

A. 对
B. 错