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【多选题】
以下哪项是移动电子商务未来的发展趋势( )。
A.
企业应用将成为中心和热点
B.
信息服务加强
C.
优化移动终端
D.
产业链多元化
E.
安全性进一步加强
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】下述哪一项不是活塞式发动机点火系统的功用?
A.
点火系统按规定的发动机气缸工作顺序工作
B.
活塞在压缩行程位于上死点前预先确定的角度上点火
C.
发动机起动起来后，点火系统立即停止工作
D.
保证定时准确，火花能量足够
查看完整题目与答案
【简答题】诗中的橡树、木棉各自代表了什么?
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【单选题】We know from the text that the author perceives the concept of 'a limitless digital library'(line 1, Paragraph 3)as
A.
irresistible.
B.
convenient.
C.
disastrous.
D.
problematic.
查看完整题目与答案
【单选题】Choose the word or phrase that is closest in meaning to the underlined part. Earlier we introduced the concept that the identity of an amplitude modulated message signal may under certain circumstance...
A.
may transmit samples that are regular in communications under some conditions
B.
may be in the circumstances that regular message samples are communicated
C.
may be conveyed by sending signal sampled at regular intervals under some conditions
D.
may communicate with certain customers by sending regular samples of the message
查看完整题目与答案
【单选题】城镇土地使用税适用的税率属于( )。
A.
定额税率
B.
幅度比例税率
C.
差别比例税率
D.
地区差别比例税率
查看完整题目与答案
【单选题】为充分发挥汽油机性能,其点火提前角一定要调整到使点火时间定在气缸内活塞运动到( )
A.
活塞下止点时
B.
活塞上止点时
C.
活塞上止点前
D.
活塞上止点后
查看完整题目与答案
【单选题】对语言语音的特征(类似中文中的声母韵母)进行提取建模的模型,称之为( )。
A.
语言模型
B.
声学模型
C.
语音模型
D.
声母模型
查看完整题目与答案
【简答题】请认真阅读下面的海报内容和该部影片的评论，选出完成句子的最佳选项。 I really enjoyed this movie. It's a fun movie for the whole family. I had really good laughs and enjoyed being there.                                             ...
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【单选题】Choose the word or phrase that is closest in meaning to the underlined part. Early we introduced the concept that the identity of an amplitude modulated message signal may under certain circumstances ...
A.
values of the message signal taken at regular intervals
B.
formally obtained message samples
C.
samples of the message produced in a specific manner
D.
samples of the regularly obtained message
查看完整题目与答案
【单选题】城镇土地使用税适用的税率属于( )。
A.
月税率
B.
季税率
C.
年税率
D.
按次征收率
查看完整题目与答案
相关题目：
【单选题】下述哪一项不是活塞式发动机点火系统的功用?
A.
点火系统按规定的发动机气缸工作顺序工作
B.
活塞在压缩行程位于上死点前预先确定的角度上点火
C.
发动机起动起来后，点火系统立即停止工作
D.
保证定时准确，火花能量足够
查看完整题目与答案
【简答题】诗中的橡树、木棉各自代表了什么?
查看完整题目与答案
【单选题】We know from the text that the author perceives the concept of 'a limitless digital library'(line 1, Paragraph 3)as
A.
irresistible.
B.
convenient.
C.
disastrous.
D.
problematic.
查看完整题目与答案
【单选题】Choose the word or phrase that is closest in meaning to the underlined part. Earlier we introduced the concept that the identity of an amplitude modulated message signal may under certain circumstance...
A.
may transmit samples that are regular in communications under some conditions
B.
may be in the circumstances that regular message samples are communicated
C.
may be conveyed by sending signal sampled at regular intervals under some conditions
D.
may communicate with certain customers by sending regular samples of the message
查看完整题目与答案
【单选题】城镇土地使用税适用的税率属于( )。
A.
定额税率
B.
幅度比例税率
C.
差别比例税率
D.
地区差别比例税率
查看完整题目与答案
【单选题】为充分发挥汽油机性能,其点火提前角一定要调整到使点火时间定在气缸内活塞运动到( )
A.
活塞下止点时
B.
活塞上止点时
C.
活塞上止点前
D.
活塞上止点后
查看完整题目与答案
【单选题】对语言语音的特征(类似中文中的声母韵母)进行提取建模的模型,称之为( )。
A.
语言模型
B.
声学模型
C.
语音模型
D.
声母模型
查看完整题目与答案
【简答题】请认真阅读下面的海报内容和该部影片的评论，选出完成句子的最佳选项。 I really enjoyed this movie. It's a fun movie for the whole family. I had really good laughs and enjoyed being there.                                             ...
查看完整题目与答案
【单选题】Choose the word or phrase that is closest in meaning to the underlined part. Early we introduced the concept that the identity of an amplitude modulated message signal may under certain circumstances ...
A.
values of the message signal taken at regular intervals
B.
formally obtained message samples
C.
samples of the message produced in a specific manner
D.
samples of the regularly obtained message
查看完整题目与答案
【单选题】城镇土地使用税适用的税率属于( )。
A.
月税率
B.
季税率
C.
年税率
D.
按次征收率
查看完整题目与答案