China sent up Shenzhou VI manned Spaceship into space successfully, which shows science and technology _________rapidly in China.
A. is developing B. have been developing C. develops D. has developed正确答案B
China sent up Shenzhou VI manned Spaceship into space successfully, which shows science and technology _________rapidly in China.
A. is developing B. have been developing C. develops D. has developed正确答案B