Shelly had prepared carefully for her biology examination so that she could be sure of passing it on her first
A.intention
B.attempt
C.purpose
D.desire
参考答案:B
解析: 本题测试固定短语。intention意为“想法,意图,目的”;attempt意为“尝试”have an attempt to do sth.(试图做某事);on one's first attempt(初次尝试);purpose意为“目的”,如for the purpose of(为了……目的);desire意为“期望,要求,”如have a burning desire for sth.(急切渴望得到……)。所以B项是正确答案。