_______, the disease diphtheria would produce a powerful poison that would kill the paient.
| A．If untreated | B．If it untreated | C．To be untreated | D．If being untreated |
It is strongly suggested that measures________factories to pour waste into rivers by the government.
| A．be taken to ban | B．be taken to forbid |
| C．are taken to ban | D．are taken to forbid |
Thinking________you know _________in fact you don’t is a terrible mistake.
| A．what, what | B．that, what | C．what, that | D．that, that |
In this lecture, I can only give you a purely_______view of how we can live life to the full and make some suggestions about the future.
| A．precious | B．unique | C．different | D．personal |
is widely acknowledged thatthere is life, there is hope.
| A．It, whether | B．As, whether | C．As, where | D．It, where |
–Tom seems not so enthusiastic as he was two years ago.
--Yes. He’s reached a point in his career_________ he has to decide what to do next.
| A．that | B．when | C．where | D．which |