1 . When I was in junior high school，I was ______________________________________I nearly gave up.
上初中时，我学习很差以至于我几乎要放弃了。

2 . Inca builders cut stones to exact sizes ________ nothing was needed to hold walls together ________ the perfect fit of the stones.
印加的建筑工人将石头切割成精确的尺寸，这样仅仅凭借石头间的完美契合，即可稳固墙体。