Techniques to harness the energy of the sun are being developed.A:convert B:stor

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问题 Techniques to harness the energy of the sun are being developed.

选项 A:convert
B:store
C:utilise
D:receive

答案C

解析本句意思:利用太阳能的技术正处于研究中。harness控制(情感),利用(自然力)。 utilise利用,使用;convert转换;store储存;receive接收,收到。
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