It was not until the subprime loan crisis(次贷危机) ____ great damage to the American financial system that Americans ____ the severity of the situation.
| A．caused, realized | B．had caused, realized |
| C．caused, had realized | D．was causing, had realizedyjw |
The electric library made it impossible for teachers to have ______ to a large amount of information online．
| A．way | B．method | C．access | D．means |
Some kinds of birds in winter fly to the south to ______ the cold in the north．
| A．get away from | B．come up with |
| C．break away from | D．put up with |
We must apply what we have learned to our daily work because in no case _____ from practice.
| A．should theory separate | B．should theory be separated |
| C．theory should separate | D．theory should be separated |
The earthquake of 2008 was extremely terrible. ___ it was the worst disaster we had ever seen.
| A．In fact | B．As a result | C．At last | D．In other words |
On February 28th, ____ 11-day 24th Winter Universiade came to ____ successful conclusion in Harbin.
| A．the; a | B．/; a | C．/; the | D．/;/ |