题目内容

There are only five minutes left，but the outcome of the match is still in doubt．

A. resuh
B. judgment
C. estimation
D. even

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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

为提高PC机主存储器的存取速度，出现了多种类型的DRAM内存条，若按存取速度从低到高排列，正确的顺序是( )。

A. EDO DRAM，SDRAM，RDRAM
B. EDO DRAM，RDRAM，SDRAM
C. SDRAM，EDO DRAM，RDRAM
D. RDRAM，DEO DRAM，SDRAM

We are pleased to receive your fax of Jan.20, （） your order for 500 pounds of Chinese green tea.

A. confirmed
B. confirming
C. confirms
D. confirm