Directions: There are 20 sentences in this part. For each sentence there are four choices marked A, B, C and D. Choose the ONE that best completes the sentence. （在下列各题中选择一个最佳答案填空。）   20%

1.China may become              industrial power by 2050 if its economy keeps growing at

such a rate. 【      】

A. the                                   B. a

C. ∕                                                D. an

2.Being closely connected with reliable wholesalers here,                do considerable import business with you. 【      】

A. we are possible to                      B. it is possible for us to

C. we are able to                          D. there is the possibility for us to

3.We are indebted to your Branch in Shanghai,               we learnt that you are a leading importer of electronic goods in your locality. 【      】

A. from whom                           B. from whoever

C. from who                            D. from that

4.               the rich resources of crude oil in your country, we hope we can establish long term business relations with you. 【      】

A. Interesting to                          B. Interested in

C. Interested to                           D. Interesting in