皮皮学，免费搜题
登录
搜题
【单选题】
要保持淬火后综合力学性能最优,应采用 。A.
高温回火
B.
中温回火
C.
低温回火
D.
去应力退火
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Remember that it may well take you a few months to get back into the routine at home, following such a ______ to your daily routine.
A.
drastic change
B.
tiny change
C.
faint shadow
D.
weak response
【单选题】Remember that this special offer _________ on May 1st.Don't miss it!
A.
expires
B.
completes
C.
finishes
D.
goes
【单选题】Remember that this special offer _____ on May 1 . Don't miss it.
A.
expires
B.
completes
C.
finishes
D.
goes
【单选题】It is important to remember that an inerted atmosphere may become flammable again if air is admitted _________.
A.
during routine measuring
B.
on venting the mixture to atmosphere
C.
during gas freeing with air
D.
all of the above
【简答题】It is important to realize that the same technology that helps us may also harm us. We can pr this from happening by carefully controlling the new technology. As one expert says, "we must remembe...
【简答题】It is important to remember that some viruses may not exhibit any visible symptoms at all．
【单选题】It is important to remember that an inerted atmosphere may become flammable again if air is admitted______________.
A.
during routine measuring
B.
on venting the mixture to atmosphere
C.
during gas freeing with ai
D.
all of theabove
相关题目：