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【单选题】
《广东省面向中小学生校园学习类 APP管理暂行办法》规定,企业开发的学习类APP若存在涉黄内容、游戏泛滥、宣扬错误思潮、背离社会主义核心价值观、传播低俗文化等问题,将直接亮红黄牌直至纳入黑名单。加强中小学生校园学习类APP管理( ) 1可以杜绝外界不良因素对未成年人学习的影响 2是因为未成年人辨别是非能力和自我控制能力不强 3有利于维护未成年人的受教育权并保护其身心健康 4旨在推动企业履行保护未成年人的司法责任A.
①②
B.
③ ④
C.
②③
D.
①④
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举一反三
【单选题】(Single choice) In a 4-variable Karnaugh map, a 2-variable product term is produced by
A.
a 2-cell group of 1s
B.
an 8-cell group of 1s
C.
a 4-cell group of 1s
D.
a 4-cell group of 0s
【单选题】study shows that students living in non-smoking dorms are less likely to _______ the habit of smoking.
A.
turn up
B.
pick up
C.
make up
D.
draw up
【单选题】(Single choice) In-system programming of a PLD typically utilizes
A.
an embedded clock generator
B.
an embedded processor
C.
an embedded PROM
D.
both (a) and (b)
【单选题】A study shows that students living in non-smoking dormitories are less likely to ______ the habit of smoking. [ ]
A.
pick up
B.
turn up
C.
draw up
D.
make up
【单选题】A study shows that students living in non-smoking dorms are less likely to_____ the habit of smoking.
A.
make up
B.
draw up
C.
turn up
D.
pick up
【单选题】(Single choice) In VHDL, a port is
A.
a type of entity
B.
a type of architecture
C.
an input or output
D.
a type of variable
【单选题】(Single Choice)In binary subtraction, 1 - 0 =
A.
1 with a borrow of 1
B.
0 with a borrow 0
C.
1 with a borrow of 0
D.
0 with a borrow of 1
【单选题】(Single choice)In a certain digital waveform, the period is four times the pulse width. The duty cycle is
A.
25%
B.
50%
C.
75%
D.
100%
【单选题】A study shows that students living in non-smoking dorms are less likely to _____ the habit of smoking.
A.
pick up
B.
draw up
C.
turn up
D.
make up
【单选题】It’s futile to look for economic logic in the interventionist decisions of governments.Make a single choice from A, B, C, and D, which can best replace the underlined part in this sentence.
A.
necessary
B.
useless
C.
possible
D.
advisable
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