From the dates________on the gold coin，it is confirmed that it was made five hundred years ago.
| A．marking | B．to be marked |
| C．marked | D．having been marked |
According to the Ministry of Human Resources and Social Security, this year will _______ a record-high of nearly 7 million graduates entering the national job market.
| A．abolish | B．substitute | C．require | D．witness |
The surprise findings _______ some previous studies that have suggested mobiles can cause Alzheimer’s and brain cancer.
| A．convey | B．contradict | C．conduct | D．confuse |
Despite their _______ plans, Chinese carmakers will find it hard to break into the developed world until this shortcoming is well behind them.
| A．parallel | B．accessible | C．adequate | D．grand |
Of course, all students want to increase their knowledge, but I believe that most students today want that knowledge to be _______ to their future career.
| A．relevant | B．opposite | C．abundant | D．elegant |
Many nations have promised to reduce greenhouse gas emissions, but are falling short of the _______ reduction of 25 to 40 percent of 1990 levels.
| A．target | B．option | C．profit | D．refund |