听力原文:M: Catherine is taking a microbiology course this semester.W: Should she be takin
听力原文:M: Catherine is taking a microbiology course this semester.
W: Should she be taking that this year?
Q: What does the woman imply that Catherine should be doing?
(19)
A.Studying microbiology for a year.
B.Teaching biology.
C.Taking a nap.
D.Taking a different course.