题目：Every human being, no matter what he is doing, ______ body heat.A．keeps upB．puts offC．take
Every human being, no matter what he is doing, ______ body heat.
A．keeps up
B．puts off
C．takes in
D．gives off
此题考查动词短语的意思辨析。giveoff．发出；keepup：保持；putoff：推迟；takein：欺骗。
