We all agree that _______ good knowledge of physics is a must in explaining such _______ natural phenomena.
| A．a; / | B．a; a | C．/; a | D．/; / |
A major earthquake _____8.0 on the Richter scale strongly _____ Wenchuan County in Sichuan Province at 2;28 p.m. on May 12, 2008.
| A．measured; shaken | B．measuring; shaking |
| C．measured; shaking | D．measuring; shook |
Yesterday a street-beggar bought a lottery purposely, ________ him a millionaire overnight.
| A．make | B．making | C．made | D．to make |
Born in 1970 to Chinese parents, Sara Chen grew up in the United States and was ______ influenced by the different cultures around him.
| A．barely | B．immediately | C．nearly | D．heavily |
Remember, Peter, when you learned to drive a car? ______ you drove more, you got better and better. It’s the same with Chinese study.
| A．Although | B．While | C．As | D．Unless |
It used to ______ that humans and animals were different and had little in common.
| A．believing | B．be believed | C．believe | D．believed |