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【单选题】
以下与数字声音相关的说法中错误的是( )A.
数码录音笔一般仅适合于录制语音
B.
声音的重建是声音信号数字化的逆过程，它分为解码、数模转换和插值三个步骤
C.
原理上数字信号处理器DSP是声卡的一个核心部分，在声音的编码、解码及声音编辑操作中起重要作用
D.
为减少失真，数字声音获取时，采样频率应低于模拟声音信号最高频率的两倍
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举一反三
【单选题】The lecture said “It is time ____________ you the literature review.”
A.
began
B.
should begin
C.
begin
D.
are beginning
【简答题】Review the text and fill in each blank with no more than four words . Einstein was once invited to give a lecture at a ____1______. He was ______2_____ that he wished not to give it, but he didn’t wan...
【多选题】Which of the following descriptions about Leizu are correct according to the lecture?
A.
Leizu was also called Xi Ling Shi.
B.
She was believed to be the empress of the Yellow Emperor.
C.
It is said that she had contributed greatly to the invention of sericulture.
D.
She was appointed by Chiyou as the leader in charge of fashioning of the garments.
【简答题】In this lecture, it is said that winter is the season of ________.
【单选题】Which of the following is not the correct information to describe Leizu according to the lecture?
A.
Leizu was also called Xi Lingshi.
B.
She was believed to be the empress of the Yellow Emperor.
C.
It is said that she had contributed greatly to the invention of sericulture.
D.
She was appointed by Chiyou as the leader in charge of fashioning of the garments.
【单选题】听力原文：W: Michael, did you go to the lecture on the French Revolution last night? I have never heard such an interesting history lecture before.' M: Yes, wasn't it marvelous! It is said the lecturer is ...
A.
It was misleading.
B.
It was enjoyable.
C.
It was rather boring.
D.
It was just so-so.
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