Due to the widespread ________ of this medical technology, more diseases can be discovered and treated at an early stage.
| A．approval | B．application | C．appointment | D．appreciation |
The money collected should be made good use __________ the people who suffered a lot in this terrible earthquake．
| A．of helping | B．of to help | C．to help | D．to helping |
Between the two generations, it is often their different views of life and value _______ cause family conflicts．
| A．which | B．what | C．that | D．who |
_________ a certain doubt among the people as to the practical value of the project．
| A．It has | B．It remains | C．They have | D．There remains |
The hours ________ the children spend in their one way relationship with television people undoubtedly affect their relationships with real-life people．
| A．that | B．when | C．in which | D．on which |
Low-carbon lifestyle is of great benefit to improve the world environment, but the problem is difficult to _________．
| A．solve | B．be solved | C．solve with | D．solving |