1.[]Shelly had prepared carefully for her biology examination so that she could be sure of passin it on her first endeavor.A.intention B.attempt C.purpose D.desireABCD
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参考答案：B
参考解析：句意：谢丽为生物考试做了细致的准备，她确信一次就可以通过。intention：目的、意图，attempt：尝试，最符合题意，purpose：目的，desire：愿望。