单选题To conserve energy, estate developers are encouraged to build houses that can retain heat in winter.AattainBkeepCreleaseDgenerate
单选题
To conserve energy, estate developers are encouraged to build houses that can retain heat in winter.
A
attain
B
keep
C
release
D
generate
参考解析
解析：
句意：为了节省能源，政府鼓励房地产商建造能在冬季保暖的房屋。retain的意思是“保留，留下，保持”。attain实现，得到。release释放；排放；发行，解脱。generate产生，引发。
句意：为了节省能源，政府鼓励房地产商建造能在冬季保暖的房屋。retain的意思是“保留，留下，保持”。attain实现，得到。release释放；排放；发行，解脱。generate产生，引发。
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