H．istorians have always considered Zhang Qian’s mission important because they believe .

A． be brought back knowledge of Rome to the emperor

B． be discovered the Silk Road

C． be helped establish East-West trade

D． be travelled as far as Afghanistan

[单选题]D．r. Zhang was always ____ the poor and the sick, his private clinic often providing them with free medical care.A． tended by B absorbed in C concerned about D reminded of

[单选题]We always have a lot of things ________during the voyage.A．doB．doingC．to doD．does

[单选题]Did you have a neighbor who was always（）your business?A . doingB . making itC . getting above.D . poking his nose into

[单选题]I have been for years troubling the pages of historians, to find out what o

[单选题]The intervals in a frequency distribution should always have which of the f

[单选题]It is always interesting to visit another country, especially for those who

[单选题]It is always interesting to visit another country, especially for those who

[单选题]It is always interesting to visit another country, especially for those who

[单选题]It is always interesting to visit another country, especially for those who

[单选题]It is always interesting to visit another country, especially for those who