Modern（）perhapscausesmoreproblemsthanitsolves.
B
「句意」 现代技术所引发的问题也许比它所能解决的要多。
「难点」 technique 意为“技法;具体的技术” ;technology 意为“工业技术“;tactics意为”战术，兵法，策略“;tendency 意为”倾向“。
Itisimperativethatstudents_____theirtermpapersontime.
Toobtainasatisfactoryresult，onemustapplytwo（）ofpaintonacleansurface.
_____,hewouldnothaverecoveredsoquickly.
_____enoughtimeandmoney,theresearcherswouldhavebeenabletodiscovermoreinthisfield.