与沉降相比,过滤操作使悬浮液的分离更加()。
A.迅速、彻底
B.缓慢、彻底
C.迅速、不彻底
D.缓慢、不彻底
参考答案:A
20世纪80年代以来,人类迎来了第三次信息技术革命,其对教育有根本性的影响。请问第三次信息技术革命将使教育发生哪些变革
The only problem with the debate last week was that the beginning sounded more like a personal attack than a dispassionate, intellectual arguing .
A.discussion
B.argument
C.talk
D.speech