更多"US officials are concerned over thi"的相关试题:
[单项选择]US officials are concerned over this radar issue because ______.
A. they feel that this technology could post as a potential threat to the US
B. they are worried the new technology might be used against Taiwan
C. they fear that it might spark tension in the Taiwan Straits
D. this deal could trigger a new round of arms race around the world
[单项选择]Charity officials are concerned that volunteers will not be able to distribute ______ water to the victims of the earthquake.
A. overall
B. enough
C. all
D. full
[单项选择]If they think they are going to win over us by obstinately ______ and refusing to make the slightest concession, they are mistaken.
A. holding out
B. holding to
C. holding over
D. holding up
[单项选择]Mr. Johnson advised us to________on the issue for some time before we decided what measures to take.
A. reflect
B. dwell
C. consider
D. reflex
[单项选择]All over the world, many kinds of the drugs are used by athletes competing in sports.
A. 在全世界，多种药物被运动员比赛时服用。
B. 世界各国的许多运动员在比赛时服用药品。
C. 许多运动员在世界范围内服用毒品。
D. 参加体育比赛的世界各国运动员都要服用各种药物。
[单项选择]Laser-doppler radar （ ）
A. makes use of microwaves
B. measures the movements of a spaceship by means of light beam
C. makes use of sound waves
D. Both A and B
[单项选择]Where does the Syrian radar station lies in
A. Hezbollah.
B. Jerusalem.
C. Central Baalbek.
D. Bekaa Valley.
[单项选择]The installation of radar is supposed to keep track of airlines in the __________.
A. velocity
B. proximity
C. terrain
D. vicinity
[单项选择]Laser-dopple radar is especially valuable in space missions because it ______.
A. is one thousand times more precise than microwave radar
B. provides precise measures of the velocity of space vehicles
C. is a new system of radar
D. can measure the movement of a spaceship less accurately than a microwave radar
[单项选择]By moving the radar beam around slowly in circles, we can ______ the surroundings.
A. explore
B. expose
C. exploit
D. expand
