The heating system has recently been ______ to make it more efficient.A.modifiedB.amendedC
The heating system has recently been ______ to make it more efficient.
A.modified
B.amended
C.altered
D.changed
The heating system has recently been ______ to make it more efficient.
A.modified
B.amended
C.altered
D.changed
Task Two — Topics
A the efficiency of the heating system
B the amount of homework given
C the behaviour of children
D the condition of chairs
E the standard of teaching
F the relationship between parents and teachers
G the lack of job satisfaction
H the motivation of pupils
The heating system has recently been______to make it more efficient.
A.modified
B.changed
C.corrected
D.replaced
The heating system, which adopts the newest technique, has an ______ temperature control.
A.automobile
B.auxiliary
C.available
D.automatic
A.be established
B.be sent
C.be covered
What is broken?
A.A mobile phone
B.A window
C.An air conditioning system
D.A heating system
How long has it lasted since the heating system stopped working?
A.About two days
B.Nearly seven days
C.About four months
D.Almost fourteen days
A.efficiently
B.efficiency
C.efficient
D.more efficiently
What's the most popular heating system according to the engineer?
A.Every room has a heater.
B.The Central room has a heater.
C.A heat chamber heats air and passes the warm air through ducts and openings into rooms.
D.The rooms are installed with blowers or convection.
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!