A.automatically controlled
B.off power
C.continuously manned
D.continuously unmanned
第1题:
______ he come, what you say to him?
A. If, will
B. Should, would
C. When, would
D. Would, do
15.答案为B 与将来事实相反的虚拟语气,只能选should。
第2题:
I learned to __________ a bicycle as a small boy.
A. drive
B. ride
C. operate
D. run
第3题:
A.Maintain
B.Deploy
C.Operate
D.Optimize
第4题:
I learned to ______a bicycle as a small boy.
A. drive
B. run
C. operate
D. ride
15.答案为D to ride a bicycle“骑自行车”。
第5题:
A) fire
B) maneuver
C) operate
D) shoot
第6题:
Vessels carrying ______ must not willfully wash decks or holds.
A.General cargo
B.Steel products
C.Harmful cargo
D.Machinery