1 . 据报道，一些过度肥胖的人迷恋于用极端方式减肥，以至于最终都进了医院。(end   up)(汉译英)

2 . The backflip was so dazzling and energetic ________ I wasn’t sure if the characters were performers or athletes.

A．when

B．which

C．that

D．where