The energy（ ）by the chain reaction is transformed into heat.A.conveyedB.releasedC.transferredD.delivered
The energy（ ）by the chain reaction is transformed into heat.
A.conveyed
B.released
C.transferred
D.delivered
B.released
C.transferred
D.delivered
参考解析
解析：句意：在连锁反应中释放的能量转化成了热能。B.release“释放”为正确答案。A.convey指“运送，输送；传达”。C.transfer意为“（从……往……）运送，转移；调任”。D.deliver指“递送，传送”。
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