In the London Olympic Games Badminton Men 's singles final, Lin Dan won the gold medal, becoming the first ____________ the championship.
| A．defended | B．defending | C．to defend | D．has defended |
Though it took him long to physically recover from the accident, it was only a short timehe became positive in spirit.
| A．while | B．before | C．after | D．when |
—How are the peace talks between the two countries?
—We are looking forward to hearing the final.
| A．competition | B．appeal | C．influence | D．outcome |
After the flood, all the emergency workersaround the clock in case the dam burst.
| A．set aside | B．stood by | C．put forward | D．came up |
—Is the chemistry experiment easy? —______. I’ll just do my best.
| A．I think so | B．Certainly | C．Not a little | D．Anything but |
The number 5.12 is a special number,__ ,I think, that will be remembered by Chinese people forever.
| A．what | B．it | C．which | D．one |