Scientists study ____ human brains work to make computers.
| A．when | B．how | C．that | D．whether |
Chen Yang has brains．In fact，I doubt 
whether anyone in the class has IQ.
A．a high |
B．a higher | C．the higher | D．the highest |
It’s the same in China --- many people, ________ some are not overweight at all, are always going on diets or taking weight-loss pills, ________ are often dangerous.
| A．whose; which | B．of which; who | C．of whom; which | D．who; that |
Television has many advantages．It keeps us ____ of the latest news and also provides entertainment in the house．_______ it’s so popular worldwide.
| A．informed, No wonder | B．to know, No doubt |
| C．learning, No chance | D．to think, No problem |
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 realized |
For Shanghai, the Expo presents an opportunity for the city to make a global impact, _______ the way the Beijing Olympics put the capital in the spotlight in 2008 .
| A．be similar with | B．similar with | C．be similar to | D． similar to |