In the late 1800抯 Ellen Richards , began work in the new field of “sanitary science”which was concerned with waste removal, water purification and _______ .

[　　]

A．　to ventilate adequately　B． adequate ventilation　

C．　adequate ventilate　　D． ventilation adequately

－- You know, even I could do a better job of running the school newspaper than the editor.

－- Oh, you could, could you, Tom?

Question: What does the man think about Tom?

[　　]

A. He hopes Tom will get a better job after school.

B. He doubts Tom抯 ability to edit the newspaper.

C. He thinks Tom should get more exercise.

D. He is critical of Tom抯 grades.

The gibbon ranges over ______ other apes do.

[　　]

A．than an area wider　 B． wider than the area

C．a wider area than　　D． an area wider than are

The bark of some species of oak trees yields substance used in ____ leather.

[　　]

A． treating　 B． to treat　 C． its treatment　D． it treats

He thought it was very _____ of her to ask such a question .

[　　]

A． young　 B． childlike　 C． childish　 D． babylike

His brother抯 death came as a ______ to him.

[　　]

A． bad luck　B． shock　 C． surprise　D． disappointment

Schubert is one of her ______ composers.

[　　]

A． favourable　 B． favourite　C． fever　 D． feverish

We _____ the play from beginning to enD．

[　　]

A． appreciate　 B． like　 C． enjoy　D． are keen on

Can you ____ what is wrong with this gas meter?

[　　]

A． discover　B． look for　C． find out　 D． find

I wonder if you can______ a couple of short stories for me to read on the train ?

[　　]

A． introduce　 B． recommend　 C． tell　C． recall