1．(2020·全国卷Ⅰ)According to her research, runners hit the ground with as much as four times their body weight per step... 撞击
2．(2020·天津卷)Libraries will often hold readinggroup sessions targeted to various age groups. 举行
3．(2017·江苏卷)But he quickly found that he loved playing this instrument, and was committed to practicing it so that within a couple of months he was playing reasonably well.投身
4．(2016·天津卷)Although skills and talents bring great success, the most valuable asset (财富) one can hold is the heart.拥有
