Los Angeles Times reported that researchers may have found a way to ______ human life by changing certain genes, so that humans might expect to live twice as long.
| A．extend | B．preserve |
| C．multiply | D．transform |
I still remember the days___ I spent ______ with you in Beijing．
| A．when; staying | B．what; to stay |
| C．that; staying | D．during; to stay |
In the face of _____ failure, it is vital that we should keep up _____ good state of mind．
| A．a; / | B．/; a | C．the; / | D．/; the |
______ the Venice Film Festival, we are to include high-quality films, ______ who makes them.
| A．In defence of; regardless | B．In the defence of; regardless |
| C．In defence of; regardless of | D．In the defence of; regardless of |
______ itraintomorrow,wewouldhavetoputoffthesportsmeeting.
| A．Were | B．Should | C．Would | D．Will |
By the time I saw the angry expression on his face, I ______ exactly what I was having to face. But not for a
moment ______ I should quit.
| A．had known; I thought | B．have known; had I thought |
| C．would know; I would think | D．knew; did I think |