The eastern part of the country is much more developed ____the western part is poorer.
A.which B,that C,while D,as
_____ to nuclear radiation, even for a short time, may produce variants (变异体) of genes in bodies.
| A．Being exposed |
| B．Having exposed |
| C．Exposed |
| D．After being exposed |
Often, when he something that him, he wasted his time dozing.
| A．should be doing, gave |
| B．should have been doing, was given |
| C．should do, was given |
| D．should have been doing, had given |
With the software product sales ____, the medium-sized IT companies are having a great time.
| A．jumping | B．adding | C．raising | D．developing |
His brain was just anyone’s with so rich experiences.
| A．as full of knowledge as | B．full of as knowledge |
| C．so full of knowledge as | D．full of so much knowledge as |
We didn’t intend to get much from the business the first year, while it ______ so well.
| A．made out | B．carried out | C．went out | D．worked out |