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【单选题】
Based on a deal on FOB term, the total cost of the export factors include the followings EXCEPT ( )
A.
purchasing cost
B.
domestic expenses
C.
export duties
D.
import duties and taxes
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参考答案:
举一反三
【单选题】已知函数f(x)=ax 3 +bsin x+4(a,b∈R),f(lg(log 2 10))=5,则f(lg(lg 2))等于  (  ).
A.
-5
B.
-1
C.
3
D.
4
【单选题】下面查看视图的基本信息的语句中,正确的是
A.
SHOW TABLE STATUS LIKE '视图名'
B.
SHOW TABLE STATUS = '视图名'
C.
DESCRIBE 视图名
D.
SHOW VIEW STATUS LIKE '视图名'
【多选题】Ethical issues with prenatal genetic tests include:
A.
How to ensure that information about testing options is given in a non-directive, culturally appropriate, & supportive way?
B.
Parents need to make informed decisions about screening, diagnosis, & any actions to be taken as a result.
C.
Are the risks of prenatal diagnosis through methods such as amniocentesis worth the potential benefit?
D.
Questions about the intrinsic value of people with disabilities in society, & questions about whether it is appropriate to use eugenics-like solutions that reduce the number of babies born with disabilities.
【单选题】The meaning of "prenatal" is:
A.
生产
B.
产后的
C.
产前的
D.
乳腺炎
【简答题】M1432A 万能外圆磨床上能实现无心外圆磨削吗?为什么?
【多选题】数据文件方式管理的特点:
A.
数据共享性差
B.
冗余度大
C.
一致性差
D.
整体无结构
【单选题】下面查看视图的基本信息的语句中,正确的是
A.
SHOW TABLE STATUS LIKE '视图名'
B.
SHOW TABLE STATUS = '视图名'
C.
SHOW VIEW STATUS = '视图名'
D.
SHOW VIEW STATUS LIKE '视图名'
【简答题】数据的文件管理方式的特点是什么?
【单选题】采用文件系统方式管理数据的特点描述不正确的是()。
A.
数据联系弱
B.
数据冗余大
C.
数据不共享
D.
数据联系强可共享
【单选题】设 ,要使级数 ,绝对收敛,常数p应当(    ).
A.
 p>-1;    
B.
 p>0;    
C.
p≥0;    
D.
p≥-1.
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