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【单选题】
The necessary and sufficient condition for the stability of a continuous LTI system is（ ）
A.
The impulse response of the system is absolutely integrable.
B.
All poles of its system function are located within the unit circle of the s plane.
C.
All poles of its system function are located in the left half of the s plane.
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【多选题】Pre-reading activities may include _____, _____, discussing new vocabulary,creating a discussion about the topic etc..
A.
paraphrasing the long and complex sentences
B.
making predictions about the topic
C.
brainstorming to activate prior knowledge
D.
drawing a mind-map for the whole passage
【多选题】For question-answering activity in while-reading phase, questions can be asked for ___, ___, ___, making inferences, evaluation orappreciation, and for personal responses and so on.
A.
literal comprehension
B.
guessing meaning of unknown words
C.
summarizing the whole passage
D.
understanding references
【多选题】For the activity of retelling in post-reading phase, _____, ____, ____ can be provided for students to retell the text.
A.
word guessing strategy
B.
text diagram
C.
key words and phrases
D.
mind-map of the text
【单选题】The correct statement about the path and loop of signal flow graph is（ ）
A.
A path or a loop can go through the same node more than once.
B.
A path or a loop can go through any node only once.
C.
Path and loop can be formed only along the direction of branches.
【判断题】Students’ prior knowledge about the reading topic can be activated by brainstorming activity. ()
A.
正确
B.
错误
【单选题】The incorrect statement about the signal flow graph is（）
A.
The branches of signal flow graph are unidirectional.
B.
The signal flow graph of a system is unique.
C.
A signal flow graph and its transposition have the same system function.
【判断题】It is beneficial to ask students to justify their answers in “true or false statements” activity. ()
A.
正确
B.
错误
【单选题】The signal flow graph of a system is shown as figure. The system function of this system is（）
A.
B.
C.
【单选题】A higher order system is implemented by the cascading or paralleling of several sub-systems. If we want the poles of the original system is same as those of the sub-systems, then we can adopt the（ ）
A.
cascading only.
B.
paralleling only.
C.
cascading or paralleling.