51．What does the u nderlined sentence in Paragraph 1 mean?

A．Don't give up if you can't understand the passage at the beginning．

B．If you don't agree with passage，don't be disappointed．

C．Difficult passage often discourages you at first．

D．You'd better try you best to catch the meaning of the passage．

52．The underlined phrase 'run into' means_____

A．work out         B．come across．           C．look into         D．pass by

53．From the passage，we can know_____

A．we should always look up new words while reading  

B．it is sometimes difficult to read a science passage

C．the steps are helpful in learning spoken English

D．interesting stories help readers to improve their English

54．How many steps are given when you are reading something difficult?

A．four．           B．five．               C．six．            D．seven．

55．The massage is mainly about_____

A．steps of studying science                    B．difficulties in reading science

C．ways of reading science passages      D．researches on science and English

参考答案51-55 ABBCC