It is clear that the whole world is passing through a social revolution in which a central _____ must be taken by scientists and technologists.
| A．process | B．attention | C．measure | D．part |
If you _______ a high fever and a bad headache, you are advised to consult a doctor.
| A．develop | B．perform | C．present | D．gather |
The CCTV Spring Festival Gala Evening _______ annually since 1983.
| A．was run | B．is running | C．had been run | D．has been running |
—Going to the dentist really frightens me.
—_______. Don’t be a chicken!
| A．Come on | B．Fine | C．Go ahead | D．Poor you |
_______ it is so hot, I guess we can’t do anything until after dark.
| A．In case | B．Now that | C．Even if | D．As though |
_______foreign trade recovering, the recent labor shortage in the southeast of China has
become a hot topic.
| A．As | B．Upon | C．With | D．For |