The building has windows with a coating that ______ heat while letting in light.
A.blocks B.blinds C.brakes D.breaks
The rain was heavy and ______ the land was flooded.
A.consequently B.continuously C.constantly D.consistently
When the whole area was ______ by the flood, the government sent food there by helicopter.
A.cut away B.cut down C.cut up D.cut off
None of the servants were _______ when Mr. Smith wanted to send a message.
A.available B.attainable C.approachable D.acceptable
Science and technology have ______ in important ways to the improvement of agricultural production.
A.attached B.assisted C.contributed D.committed
______ energy under the earth must be released in one form or another , for example, an earthquake.
A.Assembled B.Accumulated C.Attempted D.Advanced
