Students should be encouraged to use＿＿Internet as＿＿resource.
| A．∕; a | B．∕; the | C．the ; the | D．the ; a |
We should place emphasis on development and security, and develop nuclear energy on the base of security.
| A．equal | B．central |
| C．superior | D．maximum |
In _________eyes of children, playing on the Internet can only bring them________great fun.
| A．the；a | B．不填；a |
| C．the；不填 | D．不填；不填 |
— Everything for the project has been progressing smoothly so far.
--- ____ that you’ll complete it on time.
| A．No wonder | B．No doubt |
| C．No need | D．No worry |
At that time I was very worried about ____ I would become out of work.
| A．whether | B．if | C．/ | D．why |
Norman Bethune worked ____ in China as a doctor and saved many Chinese soldiers.
| A．selfless | B．selfish |
| C．selflessly | D．selflessness |