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【单选题】
数字信号是指 。A.
在时间上离散的信号。
B.
在数值上离散的信号。
C.
时间上离散、数值上连续的信号。
D.
在时间和数值上都离散的信号。
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【单选题】Types of the Cause-Effect Pattern Since I attend college, I feel more and more peer pressure. While I used to be a top student in senior high school, and was always praised by teachers and envied by p...
A.
Single-cause-single-effect pattern prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
B.
Single-cause-many-effects pattern prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
Many-causes-single-effect pattern prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
D.
Causal chain pattern prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
【单选题】Talking to friends and classmates is easy for a lot of teenage boys, but talking to parents is more difficult. Many teenage boys would like to talk to their fathers about their feelings, but they don’...
A.
It restates the topic sentence.
B.
It makes a prediction
C.
it makes a suggestion.
D.
it summarizes the paragraph
【单选题】Talking to friends and classmates is easy for a lot of teenage boys, but talking to parents is more difficult. Many teenage boys would like to talk to their fathers about their feelings, but they don’...
A.
It restates the topic sentence.
B.
It makes a prediction
C.
it makes a suggestion.
D.
it summarizes the paragraph
【简答题】Listen to a talk about an English learner's learning experience and fill in the blanks. I'm Michal. I live in Poland, and Polish is my native language. I started learning English by ______1______ the ...
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