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【判断题】
DBMS只为用户提供数据定义语句，而不提供数据操纵语句。( )A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】Though ________ in a big city, Bill always prefers to sing the songs of country life.
A.
bringing up
B.
grown
C.
raised
D.
Keeping
【单选题】Though________up in a big city,Bill always prefers to live a country life. [ ]
A.
brought
B.
was brought
C.
bringing
D.
having brought
【单选题】脾淋巴瘤的典型超声表现不包括( )
A.
脾弥漫性增大,回声减低或正常
B.
脾内单或多个散在分布的强回声结节
C.
脾内多个结节融合可呈分叶状
D.
脾内蜂窝状低回声伴高回声间隔
E.
脾周常有肿大淋巴结
【简答题】A．Bill prefers music to English lessons. B．Bill wants to be a musician in the future. C．Bill shows more interest in English learning, D．Bill doesn't make enough effort in English learning.
【简答题】鞭毛是细菌的运动器官,下列哪种方法可用来判断细菌是否有鞭毛( )。A. 拴菌实验 B. 鞭毛染色 C. 半固体穿刺培养 D. 以上都是
【判断题】Bill Katz prefers more of good 1 to less and he prefers less of good 2 to more. Bill has convex preferences. If we draw his indifference curves with good 1 on the horizontal axis and good 2 on the ver...
A.
正确
B.
错误
【单选题】______ for several times, Bill made up his mind not to play computer games at night any more.
A.
To be scolded
B.
To have been scolded
C.
Being scolded
D.
Having been scolded
【单选题】算法的描述可以用自然语言,下面说法中正确的是( )。
A.
所谓自然语言描述算法就是用人类语言加上数学符号，来描述算法
B.
用自然语言描述算法有时存在 “ 二义性 ”
C.
自然语言用来描述分支、循环不是很方便
D.
以上说法都错误
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