The heating system has recently been _______ to make it more efficient.
A: modified
B: guided
C: removed D weeded
D: weeded
A: modified
B: guided
C: removed D weeded
D: weeded
A
举一反三
- The heating system has recently been repaired to make it more _________ (efficiency).
- Recently more and more attention has been _.
- The park, which （ ） the monument, has recently been enlarged because more and more city residents like to go there to relax. A: disposes B: closes C: encloses D: dispatches
- Having a suitable agenda ________ (prepare) will make the meeting more efficient.
- The old musical instrument . A: (a) has been in the family for a long time B: (b) was bought recently C: (c) was sold recently D: (d) was repaired recently
内容
- 0
What does he say about how the situation has developed recently A: Demand for consultants has increased. B: There are more specialised services available. C: The cost of consultancy has been reduced.
- 1
Genetically modified seeds __________________ in the U.S. since 1996 A: have been grown B: has been grown C: have grown D: has grown
- 2
Our office has recently ______ to a new computer system. A: altered B: B. converted C: C. transformed D: D. modified
- 3
Free trade can bring about more competition so that it can make the economy as a whole more efficient.
- 4
Recently， there has been many orders ____ the said goods.