缺血性骨坏死最易发生在下列哪种骨折（）
A.月骨骨折
B.手舟骨骨折
C.大多角骨骨折
D.头状骨骨折
E.尺骨茎突骨折
参考答案：B
There’s an old saying ____ goes, “An apple a day keeps the doctor away.” This is especially true in the US, ____ apples are a huge part of food culture.
A．that; which
B．which; when
C．that; where
D．what; where
