In zones where earthquakes are known to occur, ______ construction techniques can significantly reduce the effects of seismic wave.
| A．to improve | B．improving | C．improved | D．being improving |
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Progress so far has been very good. , we are sure that the pr
oject will be
completed on time.
| A．However | B．Otherwise | C．Therefore | D．Besides |
Please press the red button in case of
| A．emergency | B．career | C．achievement | D．explanation |
If we can our present difficulties, then everything should be all right.
| A．come across | B．get over | C．come over | D．get the hang of |
We may lose a lot of support, but that’s the we’ll have to take.
| A．bond | B．bet | C．chance | D．hazard |
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