柴油机“飞车”的主要原因有（）。
A、喷油泵压力小
B、调速器失灵
C、供油提前大
参考答案：B
_______ that Marie was able to set up new branches elsewhere．[ ]
A．So successful her business was
B．So successful was her business
C．Such successful business she had
D．So successful business had she
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