浅感觉纤维在脊髓丘脑束中的排列是：（） A.按骶、腰、胸、颈次序，由前向后 B.按骶

根据句子意思及汉语提示，写出所缺的单词。

Dear Toby,

     It’s a      1_   （好的) Saturday morning.I’m writing a letter to you.I find a new job as an English teacher in Japan. In Japan,the three most popular ways of      2_    ( 到达)to school are bus,train and subways. The students made much noise       3_   ( 直到) the teacher came into the classroom.They have dreams. Some want to be actors or players,others want to be      4_    ( 艺术家).I think Mark is the best student in my class. Young      5_    ( 虽然) he is, he is quiote experienced. He does morning      6_    ( 运动) every day. His mother is one of the     _7_  ( 富有的)woman.What about you? Did you      8_    ( 旅行) the United Kingdom? I can’t hear it clearly.Please speak      9 _   ( 大声).Oh,It’s raining outside. So I have to      10_    ( 带来)umbrella.

                                                                                                                                                  Yours,

                                                                                                                                                  Crystal

按GB7588-2003《电梯制造与安装安全规范》规定，机房必须安装永久性人工照明，光照度应不小于（）lx。

A.50

B.100

C.150

D.200

与以往的政治协商会议相比，1949年政治协商会议的突出特点是 

A．中国所有政治力量共同参与

B．包括国内、国外的民主力量

C．商讨政治、军事等各种问题

D．中 * * 党发挥重要作用

清初，英雄传奇写得最好的作品是（）

A.《水浒后传》

B.《醒世姻缘传》

C.《聊斋志异》

D.《平山冷燕》

食物中，那种添加剂过量会有致癌作用：（）.

A.氯化物

B.亚硝酸盐

C.铁盐

D.镁盐