A．to do to comeB．doing comingC．to do comingD．doing to c……

单项选择题In our class, when the bell rang and the teacher closed his book, it was a（）for everyone to stand up.

A．signal
B．chance
C．mark
D．measure

单项选择题—（）do you visit your grandparents before —Every winter.

A．How long
B．How often
C．How soon
D．How much

单项选择题In the Mediterranean seaweed is so abundant and so easily harvested that it is never（）of great.

A．fare
B．payment
C．worth
D．expense

单项选择题The new librarian still doesn't know（）the out of date newspapers and magazines.

A．what to deal with
B．how to deal with
C．how to do with
D．what to do away with

单项选择题Let's learn to use the problem we are facing（）a stepping-stone to future success.

A. to
B. for
C. as
D. by

单项选择题The lawyer listened with full attention，（）to miss any point.

A. not trying
B. trying not
C. to try not
D. not to try

单项选择题教学原则反映了( )。

单项选择题威特金将人的认知方式分为（）。

A．场依存型和场独立型
B．反思型和冲动型
C．整体型和系列型
D．内倾型和外向型

单项选择题They were（）to hear the（）news.

A.surprised；surprised
B.surprising；surprising
C.surprised；surprising
D.surprising；surprised

单项选择题普通中小学教育的性质是( )。