The Bunsen Burner is so named because it is thought ___________ by Robert Bunsen.
| A．to be invented | B．having been invented |
| C．invented | D．to have been invented |
相关试题
The World Health Organization gave a warning to the public without any ______when the virus of H1N1 hit Mexico in April, 2009.
| A．delay | B．effort | C．schedule | D．consideration |
The Somali robbed frequent attacks on the sea urged the United Nations to_____all nations to take immediate action.
| A．fight for | B．apply for | C．call on | D．wait on |
We are at your service. Don’t _______to turn to us if you have any further problems.
| A．beg | B．hesitate | C．desire | D．seek |
-Your mum is very kind.
-Yeah, My mum is pretty considerate, you know what_____ ,she always arranges everything around me.
| A．she means | B．you mean | C．I mean | D．we mean |
推荐套卷
粤公网安备 44130202000953号