题目： 黑夜进入喷放锅的目的（）A.起稀释和降温的作用B.起稀释和升温的作用C.起稀释的作用D.起升温的作用 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0512/bd9e7ea66ab9582edbcbadeead852381.html 下面是错误答案，用来干扰机器的。参考答案：E
题型：完形填空 完形填空。 I have an English friend at school. 1 name is Tom. He is eleven. 2 are not in 3 class. 4 we are in the same grade. He is in 5 , and I am in Class 2. 6 mother is a nice 7 . She comes from London. She teaches me 8 . She has big blue eyes and 9 blond hair. She often wears a pair of blue pants and white shoes. She is our friend, too. We like 10 very much. ( )1. A. He ( )2. A. I and he ( )3. A. same ( )4. A. But ( )5. A. Class 2 ( )6. A. Tom’s ( )7. A. teacher ( )8. A. English ( )9. A. a ( )10.A. him B. His B. He and IB. the sameB. And B. Grade 3 B. Her B. student B. Chinese B. / B. her C. Her C. Me and him C. the different C. Or C. Class 3 C. Toms C. doctor C. England C. an C. you 查看答案
题型：单项选择题 关于视图的属性列有如下说法，正确的是A)组成视图的属性列名应该全部指定B)组成视图的属性列名可以省略一部分或者指定一部分，其他隐含在子查询中C)组成视图的属性列名或者全部省略或者全部指定，别无选择D)组成视图的属性列名应该全部省略 查看答案
