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【单选题】
已知逻辑门电路的输入信号A,B和输出信号Y的波形如下图所示,则该电路实现的是 功能。A.
与非
B.
异或
C.
或
D.
无法判断
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举一反三
【单选题】It puzzles the scientists _____ some mammals produce their young _____ others lay eggs.
A.
that; while
B.
what; while
C.
that; as
D.
what; as
【单选题】The digital camera in our shop is of high quality. If there_________ be something wrong with it while it is still under guarantee, we would repair it __________ our expense.
A.
would ; on
B.
might; from
C.
could; with
D.
should; at
【判断题】Whil taking notes, we can use the upright arrow ( ↑ ) to indicate "increase". ( )
A.
正确
B.
错误
【单选题】There are few things worse for a new parent than listening to a baby scream in hunger while a bottle of formula slowly warms up in a bowl of hot water. So why not just pop the bottle in the microwave ...
A.
Babies generally refuse to eat formula that has been heated in a microwave.
B.
Microwave radiation might break down some of the proteins in formula that are vital to a baby's health.
C.
Different microwaves use different amounts of power, and consequently some models could heat a bottle to scalding temperature faster than others.
D.
Parents cannot be expected to consistently even out the temperature of a microwaved bottle by shaking it vigorously before giving it to the baby.
E.
Once formula has been heated, any leftover formula should be discarded, because otherwise the formula could spoil between feedings and make the baby sick.
【简答题】《弘扬“红船精神”走在时代前列》中详细阐述了，红船精神就是“开天辟地、敢为人先的首创精神，坚定理想、百折不挠的奋斗精神，立党为公、忠诚为民的奉献精神”。对此请谈谈你的看法。
【多选题】关于礼品馈赠礼仪,下列说法不正确的是
A.
向他人赠送牌匾应当在大庭广众下进行
B.
赠送礼品一定要当着受赠者的面进行，而邮寄或托他人赠送
C.
包装礼品时，无需去掉礼品上的价格标签
D.
送礼时，无需说明送礼的礼由
【单选题】红船精神指的是开天辟地、敢为人先的首创精神,坚定理想、百折不挠的奋斗精神,立党为公、忠诚为民的奉献精神,来源于2005年6月21日( )在《光明日报》上刊发5000多字的署名文章《弘扬"红船精神" 走在时代前列》。
A.
李克强
B.
习近平
C.
王岐山
D.
江泽民
【简答题】Systemic-Functional Grammar takes the actual uses of language as the object of study, while Chomsky s TG Grammar takes the ideal speaker s linguistic______as the object of study.
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