Unit 5 pop quiz for Children's Day

mention or speak about sb. or sth

 help in the form of ideas, advice, or information, used in   

         a process or in making a decision

make it difficult for sth. to develop or succeed

most important

 remain in a situation that is likely to lead to success   

throw or drop things so that they spread over an area  

try to deal with a difficult problem

 understand and remember new facts and information

be different from sth. when the two things should be the same

go to sb. for information or advice