1 . Some invitations today are brilliantly designed, but ______ function, they’re not very practical.

A．according to

B．in charge of

C．due to

D．in terms of

2 . The monument (纪念碑) was built         those who had made great contributions to our country.

A．in memory of

B．in charge of

C．in celebration of

D．in search of

3 . 5G has faster data transmission, lower delay and stronger mobility ________the conventional 4G.

A．in charge of

B．in defense of

C．in contrast to

D．in terms of