It's very important for those who take E244 to______.
A.talk as much as they can
B.prepare the course before the class
C.look up every unknown word and phrase
D.recite each lesson
第4题
A、制定计划,并由有关人员签字
B、作好记录,并由有关人员签字
C、统筹安排,并由有关人员签字
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