According to a UN report，one third of the world population have no to clean drinking water and health care.
| A．means | B．approach | C．channel | D．access |
In face of failure, it is important to __________ a good state of mind.
| A．keep up |
| B．keep on |
| C．keep out |
| D．keep off |
How badly reform is needed was __________ recently by the rising youth crime figures.
| A．suspected |
| B．indicated |
| C．influenced |
| D．announced |
__________ gas is needed for the increasing cars to run in the street.
| A．A great many |
| B．A great deal of |
| C．A number of |
| D．Quantities of |
1. He will never __________ though every means __________ tried already.
| A．lose heart; has been |
| B．lose heart; have been |
| C．lose his heart; was |
| D．lose his heart; had |
(2012·湖南) Everyone in the village is very friendly. It doesn't matter __________ you have lived there for a short or a long time.
| A．why |
| B．how |
| C．whether |
| D．when |