Since advanced technology was introduced early this year, our factory has produced ______ last year.
A. more bicycles than twice B. twice as more bicycles as
C. more than twice bicycles as D. more than twice as many bicycles as
The ______ of constructing a village on the moon lies in the fact that it will help humans to explore the solar system further.
A. intelligence B. convenience
C. significance D. independence
The drug ______ children came under strong attack from ______ professional observers who were deeply ______ its widespread use among kids.
A. concerning; concerned; concerned with
B. concerning; concerned; concerned about
C. concerned; concerning; concerned about
D. concerned; concerning; concerned with
______excited Jenny most was ______ she finally succeeded in ______seemed to be the most difficult exam to him.
A. 'That; that; which B. What; that; what
C. That; because; that D. What; because; which
Mr. Smith is supposed to attend the meeting in place of the manager, who has ______ a bad cold.
A. come down with B. come up with
C. come down to D. come up against
Robots can be reprogrammed by a computer to do another one after completing one specific task, and this is ______ automatic machines differ.
A. because B. what
C. where D. how
