题目内容：
If we _______ (use) recycled plastic, we _________(reduce) our CO2 emissions.参考答案：
答案解析：
简答题：If we _______ (use) recycled plastic, we _________(reduce) o
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- 题目类型：简答题
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The plant's output __________(not/increase) any further. It'
The plant's output __________(not/increase) any further. It's not possible to pr
The seats were __________ on the train and I could walk arou
The seats were __________ on the train and I could walk around easily.
下列技术中，不属于宽带城域网QoS保证技术的是（ ）。
下列技术中，不属于宽带城域网QoS保证技术的是（ ）。 A．DiffServ B．MPLS C．PSTN D．RSVP
Yes, I think you're right.
Yes, I think you're right.
生后 2 个月时应接种的疫苗是
生后 2 个月时应接种的疫苗是