题目

右图为反射弧结构示意图，下列说法中正确的是  A．刺激③处，该处细胞膜电位变为外正内负B．刺激③处，效应器不能产生反应C．兴奋在①上传导速度较在②处传递速度快D．联系①与③的中间环节叫中枢神经 答案：C4、用所给词的适当形式填空，每词限用一次。 1．This cafe        afternoon tea from three to five every day in England. 2．  —How old were you when you       learning English?        —Ten years old. 3．The 2008 Olympic Games         in August in China. By then lots of athletes and tourists are coming for it. 4．  —Where is Dave?        —He                clean up the city parks with other volunteers. 5．  —Are you going to the film “King of Kongfu” with us?        —No , thanks. I                 it. 6．Last night he found it difficult          because of the loud noise outside. 7．He works par-time by            advertisements in the supermarket. 评卷人 得分 三、选择题 （每空？ 分，共？ 分）