更多"As requested _____ your E-mail of O"的相关试题:
[单项选择]_____ we appreciate your counter-offer, we your prices too low to be acceptable.
A. Meanwhile
B. While
C. However
D. Whether
[单项选择]If your prices are favorable, we would like to order 1,000 cases____ you.
A. to
B. with
C. for
D. on
[单项选择]We are in receipt of your letter dated Jan 8, ____ we are pleased to learn that you want to order 100 tons of the subject goods.
A. in which
B. from which
C. to which
D. at which
[单项选择]英语单词“October”表示的是（）。
A. 一月
B. 八月
C. 十月
D. 十二月
[单项选择]The offer is firm subject ____ before October 1.
A. for your reply reaches us
B. for your reply reaching us
C. to our receiving your reply
D. to your reply reaching us
[名词解释]指出A1、A3、Acm；AC1、AC3、Accm；Ar1、Ar3、Arcm各临界点的意义。
[简答题]计算题：已知循环气成分：H2：56%；CH4：16%；其余为N2+Ar，其中Ar含量为甲烷的四分之一，请计算循环气的氢氮比是多少？
[单项选择]We shall advise you ____ we are able to supply the goods again.
A. as
B. while
C. as soon as
D. until
[单项选择]筒型磨煤机的转速为（）Ar/m。
A. 16~25；
B. 30~50；
C. 80~160。
[单项选择]空分Ar馏份的提取一般在空分的（）。
A. 下塔
B. 主冷
C. 上塔提馏段
D. 下塔提馏段
[单项选择]属常染色体隐性(AR)遗传的神经系统疾病是（ ）
A. 脆性x染色体脑发育迟缓
B. 家族性肌萎缩侧索硬化
C. 假肥大性肌营养不良
D. 家族性帕金森病PD1型
E. 家族性帕金森病青年型
[单项选择]
原料氧气中N2+Ar的含量要求不能超过（）。
A. 0.01%
B. 0.05%
C. 0.5%
D. 1%
[判断题]分析纯（AR）试剂的标签纸的颜色是红色的。（）
[多项选择]在CAD中用阵列命令“ar”阵列对象时有以下阵列类型（）
A. 曲线阵列
B. 矩形阵列
C. 正多边形阵列
D. 环形阵列
