Childrenhaveanatural________abouttheworldaroundthem.
A、certaintyD
孩子们对他们周围的事物有着天然的好奇心。考查名词词义选择题。 A 确定性， 肯定的事 B 能力，才能 C 精明，聪颖 D 好奇心，求知欲
Werefertothelimitedrangeofsoundsasthephonicmediumoflanguageandindividualsoundswithinthatrangeas______.
Theoldcouplehavebeenmarriedfor40yearsandneveronce_______witheachother.
Theconclusionfromthestudyisnotdefinite;itisjust________.
Itisnotdecided________theconferencewillbeheld.
Theengineer______myfatherworksisabout50yearsold.
