They have learned about（）in recent years.

单项选择题With his work completed, the manager stepped back to his seat, feeling pleased（）he was a man of action.

A.which
B.that
C.what
D.whether

单项选择题Before the final examination, some students have shown（）of tension. They even have trouble in sleeping.

A.anxiety
B.marks
C.signs
D.remarks

单项选择题The young actor who had been thought highly of（）to be a great disappointment.

A.turned up
B.turned out
C.turned down
D.turned in

单项选择题He is fond of playing（）piano while his brother is interested in listening to（）music.

A./；the
B./；/
C.the；/
D.the；the

单项选择题Children under fifteen are not permitted to see such kind of movies（）bad for their mental development.

A.that is
B.which is
C.as is
D.what are

单项选择题— Nancy was badly injured in the accident yesterday and she was sent to hospital. — Oh, really? I（）. I（） visit her.

A.didn’t know；will go to
B.don’t know；will go to
C.didn’t know；am going to
D.haven’t known；am goingt o

单项选择题— Take this medicine twice a day, Peter? —Do I have to take it? It（）so terrible.

A.is tasting
B.is tasted
C.tastes
D.has tasted

单项选择题The young（）interested in pop music.

A.is
B.have
C.has
D.are

单项选择题— Why does he look sad?—There are so many problems（）

A.remaining to settle
B.remained settling
C.remaining to be settled
D.remained to besettled

单项选择题— The physics exam is not difficult, is it?—（）Even Harry to the top students failed in it.

A.Yes；belongs
B.No；belonged
C.Yes；belonging
D.No；belonging