Because the war between the two countries shows no sign of ending, oil has ______ in price over the last five months.
A. (A) arisen
B. (B) raised
C. (C) risen
D. (D) aroused
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It can be learned from the passage that ______.
A. the existence of the symphony was attributed to the spread of Near Eastern and Chinese music
B. Near Eastern music had an influence on the development of the instruments in the symphony orchestra
C. the development of the symphony shows the mutual influence of Eastern and Western music I
D. the musical instruments in the symphony orchestra were developed on the basis of Near Eastern music
Even today, the general manager still has no idea ______ John Woods, one of the most competent staff members, resigned last week.
A. (A) what
B. (B) where
C. (C) while
D. (D) why
下列哪一项不属于概念模型所具有的性质
A. 易于变动
B. 易于交流和理解
C. 易于向数据模型转换
D. 在计算机中实现的效率高
下列命令中，仅拷贝表文件结构的命令是______。
A. COPY TO
B. COPY STRUCTURE TO
COPY STRUCTURE TO
D. COPY STRUCTURE TO EXETENDE
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