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【单选题】
埃里克森的理论认为,人格的发展是一个逐渐形成的过程,12一I8岁阶段的发展任务是培养( )。
A.
勤奋感
B.
亲密感
C.
自我同一性
D.
自我整合
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参考答案:
举一反三
【简答题】完形填空(共20小题;每小题1.5分,满分30分) In the past, man didn’t have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be 1 . Today things are 2 ,...
【判断题】想象思维是一个事物想到另外真实存在的事物,而联想思维是人在头脑里对已储存的表象进行加工改造,构想出另外一个可能存在的事物
A.
正确
B.
错误
【单选题】关系模式Sailors(sid,lastname.firtname,age,ratring)其中lastname允许为空. 下面哪个语句能够查找出lastname属性值不为空的水手信息.
A.
SELECT * FROM SAILORS WHERE LASTNAME<>'NULL'
B.
SELECT * FROM SAILORS WHERE LASTNAME<>NULL
C.
SELECT * FROM SAILORS WHERE LASTNAME IS not NULL
D.
SELECT * FROM SAILORS WHERE LASTNAME not LIKE 'NULL'
E.
K
【单选题】关系模式Sailors(sid,sname,age,ratring)下面哪个语句能够查找出sname属性值至少为四个字符长,并且开始和结束字符都是B的水手信息.
A.
SELECT * FROM SAILORS WHERE sname like 'B%%_B'
B.
SELECT * FROM SAILORS WHERE sname like'B__%B'
C.
SELECT * FROM SAILORS WHERE sname like 'B??*B'
D.
SELECT * FROM SAILORS WHERE sname like'B**?B'
【单选题】垫圈的作用是:
A.
为螺母提供承载区域
B.
防松
C.
保护被联接件的表面以及调整零件或螺母的轴向位置
D.
A、 B 和C
【单选题】The man didn’t admit _________ anything at the store, when he was questioned by the police.
A.
to steal
B.
having stolen
C.
to have stolen
D.
having been stolen
【简答题】垫圈及弹簧垫圈的作用是什么?
【单选题】关系模式Sailors(sid,lastname.firtname,age,ratring)其中lastname允许为空. 下面哪个语句能够查找出lastname属性值不为空的水手信息.
A.
SELECT * FROM SAILORS WHERE LASTNAME<>'NULL'
B.
SELECT * FROM SAILORS WHERE LASTNAME<>NULL
C.
SELECT * FROM SAILORS WHERE LASTNAME IS not NULL
D.
SELECT * FROM SAILORS WHERE LASTNAME not LIKE 'NULL'
【单选题】The man didn’t want people know his age, ____ he did not want to have any gray hair.
A.
so
B.
however
C.
but
D.
otherwise
【单选题】The man didn’t want people to know his age, ____ he did not want to have any gray hair.
A.
so
B.
however
C.
but
D.
otherwise
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