![](https://lstatic.shangxueba.com/jiandati/pc/images/pc_jdt_tittleico.png)
A.A computer.B.A platform. worker.C.The command spot.D.A machine.
A.A computer.
B.A platform. worker.
C.The command spot.
D.A machine.
![](https://lstatic.shangxueba.com/jiandati/pc/images/jdt_panel_vip.png)
A.A computer.
B.A platform. worker.
C.The command spot.
D.A machine.
A.A computer.
B.A television.
C.A PVC pipe.
D.An air conditioner.
A.A desktop computer.
B.A laptop computer.
C.A cash machine.
D.A computer-based mp13.
Who will Roger Federer play in the men' s final at the US Open Tennis Championship?
A.A player from Britain.
B.A player from Australia.
C.A player from Sweden.
What was NOT one of the uses suggested for Stonehenge?
A.A way to know when they should plant crops.
B.An ancient device used like a computer.
C.A way to show what time of year it was.
D.A way to know the time of day.
A.It's more convenient to make changes when using a computer.
B.A computer uses less paper.
C.It's less expensive to use the computer.
D.Changes are always needed when writing.
The trains on the DLR are controlled by
A.an on-board central computer.
B.a computer engineer on board.
C.two-way radios operated by the drivers.
D.a computer center based somewhere along the line.
The trains on the DLR are controlled by ______
A.an on-board central computer.
B.a computer engineer on board.
C.two-way radios operated by the drivers.
D.a computer center based somewhere along the line.
A.竹纤维、PLA纤维、壳聚糖纤维
B.壳聚糖纤维、竹纤维、PLA纤维
C.壳聚糖纤维、PLA纤维、竹纤维
D.竹纤维、壳聚糖纤维、PLA纤维
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