() payment terms, we generally accept irrevocable sight L/C. All of the following can be used except:
A. In regard of
B. As regards
C. Regarding
D. With regards to
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数据通信速度最快、安全性最好、出错率最低的硬介质是( )。
A. 光缆
B. —无线电或微波
C. 同轴电缆
D. 双绞线
There are only five minutes left,but the outcome of the match is still in doubt.
A. resuh
B. judgment
C. estimation
D. even
We wish to remind you of the stipulations of our S/C No.354 () your L/C should be opened within four weeks of receipt of advice.
A. that
B. which
C. for which
D. for that
数学摄像机比较复杂,为了获取RGB三原色信号,通常它使用的成像芯片CCD数量有( )。
A. 一个
B. 二个
C. 三个
D. 四个