For a simple question, ______ is not necessary to ask for her help.
| A．he | B．that | C．it | D．which |
We have very strict quality control and anything imperfect is ____, so customers feel secure about our products．
| A．denied | B．rejected | C．deserted | D．refused |
Before you____the design of this product, you need to study the market carefully．
| A．memorise | B．confirm | C．order | D．express |
Our government is trying its best to ____the social security system to protect people’s rights．
| A．balance | B．reform | C．conduct | D．press |
Although the painting is very ____ pleasant, it is thought to be copied with a modern printing machine．
| A．visually | B．highly | C．physically | D．mentally |
The spokesman said that this was a（n）____negotiation （谈判） because it solved a lot of problems between the two sides．
| A．attractive | B．defensive | C．protective | D．productive |