The violent disturbances in Bangkok had progressed to a point ________ the police had to drive away the protestants with tear gas．

A. from which          B. that              C. where               D. what

Polar bears live       on sea ice，which they use as a platform for hunting seals

A. most                B. almost           C. nearly               D. mostly

All of you ________ at the school gate! We’ll soon start．

A. are gathering                  B. will gather            C. have gathered             D. gather

―Did you have any trouble with the customs officer?

―________ to speak of.
　 A. No　　　　　       B. Nothing           C. None          D. Neither

Chinese Vice-Premier called on Thursday for______ all-out effort to ensure ______ food and drug safety.

A. an; a               B. an; 不填          C. the; the             D. 不填; the

Our government took urgent measures ______ the terrible weather disaster at the beginning of 2008．

A. in terms of          B. in case of            C. in response to         D. in honor of

 President Hu Jintao urged that every effort         to rescue and treat the injured when the earthquake happened in Sichuan this year．

A. is made              B. must be made     C. should make        D. be made

Mr．Barren doesn’t think that all bad language should be allowed．In his opinion, there are ______ that should be kept up．

A. degrees                         B. levels                      C. limits                       D. standards

The new dictionaries are very useful. They ________ well and ________ already .

A. sell; have been sold out             B. sold; had sold out 

C. sell; sell out                             D. are sold; have been sold out

Astronaut Zhai Zhigang became the first Chinese man ________ in space on Saturday, September 27, 2008.

A. walking             B. to walk          C. walked            D. having walked