3 . 这种赛跑太难，他们训练时总是摔倒。
This kind of race was ________ hard ________ they kept falling over while practising.

5 . The teacher spoke so quickly that I did not understand her most of the time.
【释义】老师说得如此快以至于大多数时候我都听不懂她讲的。

【精讲】so如此……以至于……，强调结果

【运用】神仙如此感动，结果搬走了大山。
The god was ________ that he carried the mountains away.
【拓展】…so that…以便，为了，强调目的，通常与can，could等连用。
【运用】我待在山顶以便看日出。
I stayed on the top of mountain ________ I ________ see the sunrise.

6 . Hou Yi was so sad that he called out her name to the moon every night.
【释义】后羿是如此伤心以至于他每个晚上对着月亮呼唤她的名字。
【精讲】so …that：如此……以至于，强调结果。
常用结构：so＋形容词/副词＋that从句；such＋a/an＋形容词＋名词＋that从句
【拓展】so that以便；为了；以至于，强调目的。
【运用】
（1）我很累以至于我再也走不动了。
I was __________ I couldn’t walk any farther.
（2）老师又讲了一遍，以便我能更明白。
The teacher explained again __________ I could understand better.