选择题：11. When doing the wash, it is important to ______

题目内容：

11. When doing the wash, it is important to _______ white and colored clothing.(本题4.0分)
A、 compare
B、 separate
C、 establish
D、 contrast

参考答案：

24. The boy __________ the dog with a thick stick

24. The boy __________ the dog with a thick stick but the dog did not yield.(本题4

22. The flood of ________ much damage in that area(本题2.0分) A、 rounded up B、 mad

5. Nobody can deny that success in study ______ in the flexible method and posit

9. – Jack, let me introduce you to my former roommate, Denise Black. – (本题4.0分)

13. 检索工具的功能主要体现在( )。(本题4.0分) A、附录部分 B、目次表格 C、索引部分 D、使用说明