填空题

The system will be not activated unless you use the key to open any of the front, sliding and back doors and hood.

【参考答案】

Y

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填空题

The system will be cancelled when you use the key to open the back door.

问答题

1. 高校扩招是一悠扬好事； 2. 高校扩招会带来一些问题； 3. 我的观点。 Colleges Have Opened Their Doors Wider