______ acupuncture developed, the simple “bian stones” were replaced first by stone  and pottery needles, and ________ by metal needles.

______ acupuncture developed, the simple “bian stones” were replaced first by stone  and pottery needles, and ________ by metal needles.

A．As ,eventually                          B．With, eventually

C．With, accidentally                       D．As,accidentally

_________that developed countries want to limit the development of the developing countries in the climate conference in Copenhagen.

A. It is no possibility                                     B. It is no need

C. There is no denying                                      D. There is no chance

In developed countries, farm workers _________ only a small section of the population.

A. pick up     B. make up     C. hold up      D. keep up

 _________that developed countries want to limit the development of the developing countries in the climate conference in Copenhagen.

         A. It is no possibility                                                        B. It is small wonder

         C. There is no denying                                                    D. There is no chance