婴儿所食的粮食品种可选择玉米面、小米、高粱米等含纤维较多的品种。
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Thegoalofthecourseisto___(rich)ourunderstandingofothercultures.
Whenwereturnedfromourvacation,ournextdoorneighborswere______anewgaragebuilt.
Thetheoryofblackholesinspace__(accept)bymanyseriousscientistsandastronomers.
MaryacceptedDavids___(invite)tojoinhimforlunch.
一质点做匀速率圆周运动时，其(）