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【判断题】
空白试验指在限定误差能满足预定要求的前提下，用特定方法能够准确定量测定待测组分的最低浓度或含量。A.
正确
B.
错误
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举一反三
【简答题】The term multimedia describes ____ that allow visual and audio media to be combined in new ways for the purpose of communicating.
【单选题】某次军事演习中，一架无人机停在空中对三个地面目标点进行侦察。已知三个目标点在地面上的连线为直角三角形，两个点之间的最远距离为600米。问无人机与三个点同时保持500米距离时，其飞行高度为多少米？（）
A.
500
B.
600
C.
300
D.
400
【简答题】The term multimedia describes a number of diverse technologies that allow __________and __________ media to be combined in a new way for the purpose of __________ .
【简答题】The operating system performs a number of functions that allow the user and the application software to interactwith the computer.
【单选题】Which statement creates a new user?（）
A.
CREATE USER susan;
B.
CREATE OR REPLACE USER susan;
C.
CREATE NEW USER susan DEFAULT;
D.
CREATE USER susan IDENTIFIED BY blue;
E.
CREATE NEW USER susan IDENTIFIED by blue;
F.
CREATE OR REPLACE USER susan IDENTIFIED BY blue;
【单选题】某次军事演习中，一架无人机停在空中对三个地面目标点进行侦察。已知三个目标点在地面上的连线为直角三角形，两个点之间的最远距离为600 米。问无人机与三个点同时保持500 米距离时，其飞行高度为多少米?
A.
300
B.
400
C.
500
D.
600
【单选题】「楽譜を覚えるのが苦手でした」(21412について、誰のことか、 次の a~dから選んで記号で答えてください。
A.
プロの歌手
B.
井上大祐さん
C.
酒場に来たお客さん
D.
笨者
【单选题】Which statement creates a new user? （）
A.
CREATIVE USER susan;
B.
CREATIVE OR REPLACE USER susan;
C.
CREATE NEW USER susan DEFAULT
D.
CREATE USER susan IDENTIFIED BY blue;
E.
CREATE NEW USER susan IDENTIFIED BY blue;
F.
CREATE OR REPLACE USER susan IDENTIFIED BY blue;
【单选题】Your company hires 10 new employees. You want the new employees to connect to the main office through a VPN connection. You create new user accounts and grant the new employees the Allow Read and Allo...
A.
Grant the new employees the Allow Full control permission.
B.
Grant the new employees the Allow Access Dial-in permission.
C.
Add the new employees to the Remote Desktop Users security group.
D.
Add the new employees to the Windows Authorization Access security group.
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