We understand _______small changes to our land can have a big impact upon our environment __________ as we know is vulnerable enough.
| A．what; which | B．what; where | C．how; where | D．how; which |
As long as we are united, there is no difficulty we cannot ______.
| A．overcome |
| B．win |
| C．figure |
| D．determine |
The village was ______ by the snow for more than a month.
| A．put off |
| B．cut off |
| C．taken off |
| D．come off |
We could not even find the exit this woman had ______ us to.
| A．explained |
| B．requested |
| C．directed |
| D．pointed |
______ of the accuracy of the analysis, they decided to stick to their plan.
| A．Concerned |
| B．Convinced |
| C．Interested |
| D．Confused |
Before I walk through the detailed analysis, let me give you the _______
| A．comment |
| B．summary |
| C．information |
| D．emphasis |