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【单选题】
On Monday， you dropped the DEPT table from your schema and then you re-created the DEPT table in your schema. On Wednesday， you have a requirement to restore the DEPT table from the recycle bin. Which statement is correct？（）A.
You can restore the DEPT table by using the Oracle Flashback Drop feature， provided you use the RENAME TO clause.
B.
You can restore the DEPT table by using the Oracle Flashback Drop feature and a system-generated name will be assigned to the restored table.
C.
You cannot restore the DEPT table by using the Oracle Flashback Drop feature because a table with the name DEPT already exists in your schema.
D.
You cannot restore the DEPT table by using the Oracle Flashback Drop feature because the contents of the recycle bin are purged every 12 hours by default.
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【单选题】从单链表中删除指针s所指结点的下一个结点t，其关键运算步骤为( )。
A.
s↑.link：=t
B.
t↑.link：=s
C.
t↑.link：=s↑.link
D.
s↑.link：=t↑.link
【多选题】关于选煤厂建筑物及构筑物设计的说法正确的是
A.
沉降缝设置：沉降缝的宽度一般150～200mm
B.
基础：做刚性墙基础，并且加设基础圈梁
C.
楼板的厚度一般为100mm
D.
厂房中的设备可以直接安装在楼板上，载荷由楼板承载
【单选题】某孕妇,31岁。妊娠32周行产前检查。护士为其测量腹围,正确的测量位置是
A.
确定胎心所在位置绕腹周长
B.
腹部最膨隆处绕腹周长
C.
测量耻骨联合至剑突长度
D.
测量髂前上棘平面绕腹周长
E.
测量耻骨联合上缘中点到宫底的弧形长度
【简答题】工件的装夹主要有3种方法,分别是: 、 、 。
【单选题】对于配对设计的两分类变量资料，进行假设检验应选用
A.
χ2检验
B.
Wilcoxon符号秩检验
C.
Wilcoxon秩和检验
D.
Kruskal-Wallis检验
E.
F检验
【简答题】债券的价格是将朱来的利息收益和本金按市场折算成的现值，债券的期限越长，未来收入的折扣率就越大，所以债券的价格变动风险随着期限的增加而增大。
【单选题】While some office jobs would seem ______ to many people, there are quite a few jobs that are stimulating, exciting and satisfying.
A.
hostile
B.
tedious
C.
fantastic
D.
attractive
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