Global satellite communications systems will be useful to ______.A.laptop computer usersB.
Global satellite communications systems will be useful to ______.
A.laptop computer users
B.remote villages
C.disaster-relief teams
D.all above
Global satellite communications systems will be useful to ______.
A.laptop computer users
B.remote villages
C.disaster-relief teams
D.all above
第1题
They say the satellite is probably______more than U.S. $ 30,000.
A.weighty
B.costly
C.valuable
D.worth
第2题
Satellite telephones will make ______.
A.business travelers use mobile phones on international trips
B.possible calls from anywhere on earth to anywhere else
C.explorers happy
D.all above
第3题
Terra will be a better satellite because______.
A.no other country can make one like it
B.it is much cheaper to operate
C.it is more sophisticated than Landsat 7
D.Terra will show energy gains
第4题
A.succeeded launching
B.succeeded in launching
C.succeeded to launch
D.succeeded for launching
第5题
A.carrying; is; launched
B.carrying; was; launched
C.carried; has; launched
D.carried; has been; launched
第6题
A) having orbited
B) being orbited
C) having been orbited
D) orbiting
第7题
第8题
A、错误
B、正确
第9题
A.eventual
B.formal
C.frequent
D.ordinary
第11题
A.concerning
B.excepting
C.including
D.saving