【判断题】Listen to a conversation. Decide whether the following statements are true (T) or false (F). The conversation will be spoken twice. 听力题,判断正误! (1-6) 1. The woman doesn’t enjoy her course because she ha...
【判断题】由于振动能级受分子中其他振动的影响,因此红外光谱中出现振动耦合谱带。( )
【判断题】由于振动能级受分子中其他振动的影响,因此红外光谱中出现振动偶合谱带。( )
【判断题】Listen to a short conversation, and then look at the statements below. Write a "T" in front of a true statement and an "F" in front of a false one according to the recording. The conversation will be ...
【单选题】从生物学意义上说,()是作为人区别于动物的一个重要标志。