问题
选择题
—Dad, science is too hard for me.
—Oh, dear, if you keep listening ________ in class and do enough exercises, you’ll find it easy.
A．carelessly
B．easily
C．carefully
D．quickly
答案
答案：C
题目分析：句意：爸爸，科学对我来说太难了。哦，亲爱的，如果你一直上课认真听讲，多做练习，你会发现科学很容易的。carelessly粗心地，easily容易地，carefully认真地，quickly很快地；根据语境可知认真听课，做练习，就会感觉容易，故选C.