1 . Researchers who have been working on non-avian dinosaurs were surprised to see an embryo beautifully ________inside a dinosaur egg,________ in a bird-like posture.

A．preserving … laying	B．reserving … sitting
C．preserved … lying	D．reserved … seated

2 . On hearing the heart-breaking news, she couldn’t _________herself and broke out crying.

A．regain

B．reserve

C．compose

D．comprise

3 . Less coal will be used to__________electricity in order to cut down CO₂ emission.

A．compose

B．conclude

C．deserve

D．generate

4 . All the seats on the bus had been ________ so we had to stand.

A．dominated

B．occupied

C．retained

D．ignored

6 . I think we’ ve fixed everything, and I don’t _________finding any more problems.

A．accelerate

B．accommodate

C．anticipate

D．appreciate

7 . The purpose of the research is________ more about the causes of the disease.

A．trying to find out

B．to try to find out

C．trying finding out

D．to try finding out

8 . Zoos and animal amusement attractions use the cover of “science” to ________their shows.

A．illustrate

B．justify

C．imply

D．convince

9 . With so many activities to participate in these days, we decided to ______ the scheduled meeting.

A．call off

B．take over

C．give out

D．put down