We must get to the root of the problem.

A、will fly

B、will be flown

C、will have flown

25．In studying ，we must always ask "whys" in order to ________．

A． understand the book well

B． get some questions to ask our teachers

C． do with the new words

D． write down the questions

A、of course

B、above all

C、for sure

D、not at all

A、to

B、for

C、at

D、of

A

The aim(目的) of students who come to school is ro srudy． But if we haven't a right way to study we will waste the time or the money． The following are ways for studying．

The best time for reading js morning． Because in the morning， the air is fresh and our minds are clear．For that reason，we can get good results．

Jt- studying we must be'patient(耐心的)． If w．e don't understand a text well，we must read it again． We should not read the next one till we have learned the first one well．

When we are studying，we must put our hearts into the book． We can not read absent-．mindedly(心不在焉地) ，or we can get nothing from the book while we are reading．

We must always ask "whys"． If it is not well understood，write it down and ask our teach-ers or parents，brothers or friends，in any possible way． We must know it completely and then our knowledge can be used well．

Though there are many ways for studying，however，the above mentioned(提及的) will be quite enough if we can keep them in heart and do so，

( )21． The article tells us_________

A． to read in the morning

B． to pay close attention to ways for studying

C． the importance of reading

D． to have patience in studying

It is high time that we ______all ready for the meeting, ______it would be late.

A. must get, or

B. got, or

C. should get, and

D. get, and

A.which we get, which we give

B.what we get, what we give

C.which do we get, which do we give

D.how we get, how we give

If we ___________ these marksup, we'll get a total of 90.

A hold

B add

C turn

D make

A.after all

B.above all

C.in all

D.at all