Barack Obama delivered a speech to 500 local youths during his visit to China，many of were from Fudan University and Tongji University．
| A．them | B．whom | C．which | D．those |
In taking a space walk, Chinese astronauts are__________ going where Russian andAmericans went decades before.
| A．ridiculously | B．commercially |
| C．domestically | D．boldly |
The analysis shows that plastics, particularly those that __________ fast, are contributing to the climate change.
| A．break off | B．break down |
| C．break up | D．break out |
--- Is this company ______ your elder sister once worked in?
---- Yes, it is.
| A．where | B．which | C．the one | D．that |
The committee is discussing the problem right now. It will _____ have been solved by the end of next week.
| A．eagerly | B．hopefully | C．immediately | D．gradually |
Mr Wang’s commitment leaves him held in deep ____ by his students and also wins their respect.
| A．appreciation | B．affection | C．adaptation | D．adoption |