听力原文:W: What is the time now?
M: It's six o'clock.
写出下列反应的产物: (a)蛇毒磷酸二酯酶作用于ApupApApCpU; (b)牛胰RNase作用于ApUpApApCpU; (c)蛇毒磷二酯酶作用于dTpdApdCpdGpdCp;(d)稀酸作用于dTpdApdCpdGpdGpdCpdA; (e)稀碱作用于dTpdApdCpdCpdGpdCpdA
听力原文:W: I think that the game starts at eight.
M: Good. We have an hour to get there.
What time is it now?
A.Seven o' clock.
B.Seven-thirty.
C.Eight o' clock.
D.Nine o' clock.