若按2007年的固定电话增长率保持不变，预计到2008年年末全国固定电话用户数是多少

兼容班级上课与个别教学的优点，将大班上课、小班讨论、个别作业结合在一起的教学组织形式是_______。

二次衬砌施工缝、（）应设置止水带

清金化癣汤功效与作用

在小班中开展“听声音、猜东西”“气味真正多”等活动，这类活动主要是让幼儿观察和探索（）。

A.说话能力

B.自然环境

C.动手能力

D.人体的外部结构、功能

The clinic nurse is instructing a group of parents about emergency treatment for accidental poisoning and injury. Which of the following statements by one of the mothers indicates that she needs further instruction

A. "I should flush my child’s eye with room temperature tap water for 15 to 20 minutes if a caustic material gets into it. "
B. "I should save the emesis if my child vomits. "
C. "I should call the poison control center if there are any symptoms. "
D. "I should give 2 to 5 teaspoons of clear fluids after administering ipecac. \