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【单选题】
在用SQL语句查询记录时，下列（ ）关键字用于控制不返回重复记录。
A.
DISTINCT
B.
FROM
C.
ALL
D.
HAVING
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参考答案：
举一反三
【单选题】载波侦听多路访问/冲突检测的英文缩写是
A.
TCMS
B.
MVB
C.
CSMA/CD
查看完整题目与答案
【单选题】T i á n bu ti á n? 甜不甜? means
A.
Is it sweet?
B.
It is not sweet.
C.
Is it not sweet?
查看完整题目与答案
【单选题】In this passage, the word 'press' (Para. 2) means ________
A.
a machine for printing
B.
the business of printing
C.
great force
D.
newspapers
查看完整题目与答案
【判断题】CA6140 型车床的调试时, 控制回路试车时,检查控制变压 器次侧为380V、二次侧为24V、6V、110V
A.
正确
B.
错误
查看完整题目与答案
【单选题】As ordinary people, scientists are by no means more honest or ______ than other people, but as scientists, they attach special value to honesty while they are in their working sphere.
A.
ethical
B.
ethnic
C.
aesthetic
D.
esthetic
查看完整题目与答案
【简答题】Winning the bid to host the Olympic s means not only a great honor to a nation ________. [     ] A. but a great responsibility B. but as well as a great responsibility C. as well as a great respon...
查看完整题目与答案
【单选题】电池监测回路的英文缩写是?
A.
BCU
B.
BMC
C.
BMS
D.
ECU
查看完整题目与答案
【单选题】铺床时下列操作均符合节力原则,但除外
A.
将用物放在床尾椅子上
B.
按使用顺序摆放物品
C.
操作时，身体靠近床边
D.
两腿前后分开,稍屈膝
E.
上身保持一定的弯度
查看完整题目与答案
【单选题】用食醋和蔗糖可以将鲜蒜腌制成糖醋蒜,其原因是
A.
醋酸与蔗糖分解后被细胞吸收
B.
醋酸与蔗糖分子存在于细胞间隙中
C.
腌制时间长，两种物质缓慢渗入到细胞中
D.
醋酸杀死细胞，两种物质扩散到细胞中
查看完整题目与答案
【单选题】带冲突检测的载波侦听多路访问的英文缩写是
A.
CDMA
B.
CSMA/CD
C.
ADSL
D.
ISDN
查看完整题目与答案
相关题目：
【单选题】载波侦听多路访问/冲突检测的英文缩写是
A.
TCMS
B.
MVB
C.
CSMA/CD
查看完整题目与答案
【单选题】T i á n bu ti á n? 甜不甜? means
A.
Is it sweet?
B.
It is not sweet.
C.
Is it not sweet?
查看完整题目与答案
【单选题】In this passage, the word 'press' (Para. 2) means ________
A.
a machine for printing
B.
the business of printing
C.
great force
D.
newspapers
查看完整题目与答案
【判断题】CA6140 型车床的调试时, 控制回路试车时,检查控制变压 器次侧为380V、二次侧为24V、6V、110V
A.
正确
B.
错误
查看完整题目与答案
【单选题】As ordinary people, scientists are by no means more honest or ______ than other people, but as scientists, they attach special value to honesty while they are in their working sphere.
A.
ethical
B.
ethnic
C.
aesthetic
D.
esthetic
查看完整题目与答案
【简答题】Winning the bid to host the Olympic s means not only a great honor to a nation ________. [     ] A. but a great responsibility B. but as well as a great responsibility C. as well as a great respon...
查看完整题目与答案
【单选题】电池监测回路的英文缩写是?
A.
BCU
B.
BMC
C.
BMS
D.
ECU
查看完整题目与答案
【单选题】铺床时下列操作均符合节力原则,但除外
A.
将用物放在床尾椅子上
B.
按使用顺序摆放物品
C.
操作时，身体靠近床边
D.
两腿前后分开,稍屈膝
E.
上身保持一定的弯度
查看完整题目与答案
【单选题】用食醋和蔗糖可以将鲜蒜腌制成糖醋蒜,其原因是
A.
醋酸与蔗糖分解后被细胞吸收
B.
醋酸与蔗糖分子存在于细胞间隙中
C.
腌制时间长，两种物质缓慢渗入到细胞中
D.
醋酸杀死细胞，两种物质扩散到细胞中
查看完整题目与答案
【单选题】带冲突检测的载波侦听多路访问的英文缩写是
A.
CDMA
B.
CSMA/CD
C.
ADSL
D.
ISDN
查看完整题目与答案
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