When Adams served as the sixth U.S. President, ____________.
A. his people didn't regard him as a great man
B. he tried a lot of means to get rid of slavery
C. his high ideal made an impression on American people
D. he did a lot of things against laws
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开发方案是指根据区域或行业发展的( ),划分近期、中期和远期的规划发展重点及重点项目开发方案。
A. 科学性和合理性
B. 公正性和可靠性
C. 综合性和层次性
D. 时序性和阶段性
工程咨询最重要的调查方法是( )。
A. 问卷调查法
B. 专家调查法
C. 现场测量法
D. 现场调查法
下列乔木中,在栽植前一般不进行短截重剪的是______。
A. 杨树
B. 悬铃木
C. 梧桐
D. 柳树
According to the passage, forgers are usually sold to ____________.
A. experts
B. persons who aren't experts
C. book sellers
D. owners of old books