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【简答题】
某同学鼓研究“响度的大小与哪些因素有关”。他将放在距离自己固定的位置不动，用鼓棒敲击鼓面，然后观察鼓面上泡沫塑料小球弹跳的高度和声音的强弱。并用照相机将小球跳到最高点时的情景记录下来，如图所示。已知（a）图是用最小的力敲击，听到的声音最弱；（c）图是用最大的力敲击，听到的声音最强。 通过以上的实验请你归纳总结。 （1）敲击鼓面，鼓发出声响，泡沫粒跳起说明：发声的物体在________。 （2）由以上实验可以归纳说明：响度与发声体的________有关，具体的关系是________。
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参考答案：
举一反三
【单选题】Which of the following best expresses the function of the first paragraph in relation to the passage as a whole?
A.
To establish the parameters of a following debate about man's role in nature.
B.
To identify problem areas within a school of thought, which are then explored in greater detail.
C.
To discuss secondary issues as an introduction to a more detailed examination of a primary issue.
D.
To provide a historical background for a discussion of modern-day issues of public concern.
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【判断题】商务谈判的时候穿休闲装可以营造轻松自如的氛围。
A.
正确
B.
错误
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【单选题】Which part has the function to prevent edema?
A.
Lymphatic vessels
B.
Lymph nodes
C.
Tonsils
D.
Thymus
E.
Spleen
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【单选题】Which of the following prepositional phrases can function as an adverbial?
A.
I don't want a book with a torn cover.
B.
The grass was wet with rain.
C.
It is in bad taste to boost.
D.
Between four and six will suit me.
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【单选题】X Co has an internal audit function. The external auditor has concluded that the internal audit function does not apply a systematic and disciplined approach to its work.How does this affect the exten...
A.
The external auditor must not use the work of the internal audit function.
B.
The external auditor can use the work of the internal audit function provided the individuals have been assessed as competent .
C.
The external auditor can use the work of the internal audit function provided the organisational status of the function supports its objectivity.
D.
The external auditor can use work performed by the internal audit function which relates to low risk areas of the external audit only .
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【单选题】which is not a function of literature that has been mentioned in the lecture?
A.
to educate the people
B.
to claim a right answer
C.
to reflect the world
D.
to express the author’s emotion
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【单选题】Which muscle has the function of flexing the shoulder?
A.
Biceps brachii
B.
Flexor carpi radialis
C.
Brachioradialis
D.
Palmaris longus
E.
triceps brachii
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【单选题】Which has the similar function as the phrase “to clarify”?
A.
in other words
B.
In contrast
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【单选题】Which section of the tapeworms has the function of growth?
A.
the neck
B.
the scolex
C.
the immature proglottids
D.
the mature proglottids
E.
the gravid proglottids
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【简答题】Protein is a which has biological function
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相关题目：
【单选题】Which of the following best expresses the function of the first paragraph in relation to the passage as a whole?
A.
To establish the parameters of a following debate about man's role in nature.
B.
To identify problem areas within a school of thought, which are then explored in greater detail.
C.
To discuss secondary issues as an introduction to a more detailed examination of a primary issue.
D.
To provide a historical background for a discussion of modern-day issues of public concern.
查看完整题目与答案
【判断题】商务谈判的时候穿休闲装可以营造轻松自如的氛围。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Which part has the function to prevent edema?
A.
Lymphatic vessels
B.
Lymph nodes
C.
Tonsils
D.
Thymus
E.
Spleen
查看完整题目与答案
【单选题】Which of the following prepositional phrases can function as an adverbial?
A.
I don't want a book with a torn cover.
B.
The grass was wet with rain.
C.
It is in bad taste to boost.
D.
Between four and six will suit me.
查看完整题目与答案
【单选题】X Co has an internal audit function. The external auditor has concluded that the internal audit function does not apply a systematic and disciplined approach to its work.How does this affect the exten...
A.
The external auditor must not use the work of the internal audit function.
B.
The external auditor can use the work of the internal audit function provided the individuals have been assessed as competent .
C.
The external auditor can use the work of the internal audit function provided the organisational status of the function supports its objectivity.
D.
The external auditor can use work performed by the internal audit function which relates to low risk areas of the external audit only .
查看完整题目与答案
【单选题】which is not a function of literature that has been mentioned in the lecture?
A.
to educate the people
B.
to claim a right answer
C.
to reflect the world
D.
to express the author’s emotion
查看完整题目与答案
【单选题】Which muscle has the function of flexing the shoulder?
A.
Biceps brachii
B.
Flexor carpi radialis
C.
Brachioradialis
D.
Palmaris longus
E.
triceps brachii
查看完整题目与答案
【单选题】Which has the similar function as the phrase “to clarify”?
A.
in other words
B.
In contrast
查看完整题目与答案
【单选题】Which section of the tapeworms has the function of growth?
A.
the neck
B.
the scolex
C.
the immature proglottids
D.
the mature proglottids
E.
the gravid proglottids
查看完整题目与答案
【简答题】Protein is a which has biological function
查看完整题目与答案
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