With the development of science, more new technology__________ to the fields of IT.
| A．has introduced | B．is being introduced |
| C．is introduced | D．was introduced |
______ comes will be welcomed to the open-air concert.
| A．Whatever | B．Whoever | C．No matter what | D．No matter who |
The result of the study indicated that it was the type of fat ______ made the difference．
| A．that | B．what | C．who | D．as |
Faye’s fondest memory is of last year, ______ the club gave a tea party for her birthday.
| A．that | B．which | C．where | D．when |
______ in 1955, Disneyland in California in regarded by any as the original fun park．
| A．Opened | B．Having opened | C．Opening | D．Being opened |
There are fewer teaching positions left in big cities, ______ at the same time there are shortages of teachers in small towns．
| A．or | B．and | C．so | D．for |