He has given up photography and he is ____computer now.
| A．interested | B．fond | C．in | D．into |
A great part of the information I have was ________ by looking up something and finding something else on the way.
| A．requested | B．acquired | C．exchanged | D．presented |
Your senses become alert and you suddenly find the answer to a problem ________ solution has long escaped you as a brilliant thought crosses your mind.
| A．which | B．that | C．whose | D．when |
China held a grand parade in Beijing to mark the defeat of Japan in World War Two, ________ its military power on an unprecedented scale.
| A．displayed | B．displaying |
| C．to display | D．having displayed |
If you _______ yourself to doing everything in the order given, you would miss an opportunity to be a unique individual.
| A．commit | B．committed |
| C．have committed | D．had committed |
Using traditional Chinese medical records, Youyou Tu rediscovered an ancient plant-based treatment for malaria that worked ________ modern therapies failed.
| A．until | B．unless | C．although | D．where |