We've decided to turn one of the offices in the building into a nursery and will spend the last week of June ______ it.
A. (A) to refurnish
B. (B) refurnish
C. (C) refurnished
D. (D) refurnishing
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For many middle-aged people, when it comes to ______ for retirement, they are not quite sure about how much money they should save and spend.
A. (A) prepare
B. (B) preparing
C. (C) prepared
D. (D) prepares
当前表中,"体育达标"字段为逻辑类型,要显示所有未达标的记录应使用命令______。
A. list for 体育达标=".f."
B. list for 体育达标<>.f.
C. list for 体育达标<>.f.
D. list for 体育达标=f
关系数据库的任何检索操作都是由三种基本运算组合而成的,这三种基本运算不包括______。
A. 联接
B. 比较
C. 选择
D. 投影
What is the author's attitude towards animal research
A. Negative.
B. Questioning.
C. Neutral.
D. Positive.