1 . It is an important work for us to ________ and analyze his various kinds of materials.

A．sort out

B．turn out

C．make out

D．try out

2 . One of the good ways to improve your listening ability is to hear English ________ on a daily basis.

A．being spoken

B．to be spoken

C．be spoken

D．spoken

3 . Further up, the weather changes—low clouds ________ the mountainsides, which are covered with think grass.

A．represent

B．reflect

C．ensure

D．envelope

4 . The continued tension could ________ into more violence.

A．experience

B．expose

C．exist

D．explode

5 . —You really weren’t very nice to her.
—Well, she ________ it!

A．delivered

B．declared

C．deserved

D．determined

6 . Red lights ________ them a warning.

A．followed

B．filled

C．flowed

D．flashed

7 . Because of ________ competition, prices of food are likely to drop.

A．federal

B．fierce

C．friendly

D．fundament

8 . The woman ________ politics in 1996, and two years later she was made president.

A．entered

B．explored

C．excited

D．envied

9 . They said that they would drop the charges if we paid off the ______.

A．work

B．income

C．debt

D．economy

10 . Vitamins are a(n) ________part of our diet, without enough of which we would fall ill.

A．emotive

B．gentle

C．essential

D．complicated