They have learned about（）in recent years.Aseveral hundreds English wordsBhundreds of English wordsChundred of English wordsDseveral hundred English words

165 Lessons learned are most often based upon project historical records. Lessons learned can be used to:

A. See what mistakes others have made

B. See how others have solved problems

C. Predict trends, highlight problems and identify alternatives

D. All of the above

E. A and B only

A、Either have I

B、Neither have I

C、So have I

Lessons learned are most often based upon project historical records. Lessons learned can be used to:

ASee what mistakes others have made

BSee how others have solved problems

CPredict trends, highlight problems and identify alternatives

DAll of the above

EA and B only

This is the book()I have learned a lot.

A. to which

B. by whom

C. from which

● Lessons learned are most often based upon project historical records. Lessons learned can be used to:

A See what mistakes others have made

B See how others have solved problems

C Predict trends, highlight problems and identify alternatives

D All of the above

E A and B only

听力原文：M: So, Jane, how long have you been an author?

W: Well, Tom, I didn't start writing until I was in my thirtieth, and I'm over seventy now. So goodness, I must have been writing for about forty years.

How long has the woman been an author?

A．About 30 years.

B．About 40 years.

C．About 60 years.

D．About 70 years.

A、What

B、Why

C、How

D、That

A、which

B、where

C、that

D、as

A. tension

B. index

C. correspondence

D. ability