Upon reading the notice all the staff of the company stood there , looking at each other.
| A．no speaking | B．speechlessly | C．speechless; | D． did not speaking |
A firm from New Zealand has revealed a set of robotic legs which they claim will soon allow ________ wheelchair-bound people to walk again.
| A．extremely | B．previously | C．actually | D．eventually |
Although the situation was tough during the economic crisis now things are beginning to ________.
| A．look up | B．keep up | C．set up | D．build up |
Michelle Obama wears clothes that anyone can buy in a mall and ________ she may have a larger effect on consumers than ordinary models.
| A．furthermore | B．otherwise | C．nevertheless | D．therefore |
Many people may be surprised by the number of chemicals that they are exposed to through everyday household products.
| A．devoted | B．addicted | C．exposed | D．applied |
NASA has made a ________ that our earth has no threat associated with the film 2012 which is based on pure myths.
| A．clarification | B．classification | C．identification | D．presentation |