课时跟踪检测(二十一) great scientists ⅰ.单项填空 1．—what about talking with others while learning spoken english? —in my opinion，________. a．it makes sense b．it's out of the question c．it's up to you d．it's hard to say 2．(2013•济宁高三一模)no difficulty could ________ this brave man since he is so confident and capable. a．defeat b．attack c．win d．overcome
