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【单选题】
图表有几个元素( )?A.
5
B.
6
C.
7
D.
8
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反馈参考答案：
举一反三
【简答题】Comprehension exercisesI. The text has five paragraphs. From the list of headings below choose the most suitable heading for each paragraph.List of HeadingsA) Managing wasteB) Packaging is not the wor...
【单选题】以下程序的输出结果是:x = [90,87,93] y = ["a", "b","c"] print(list(zip(y,x)))
A.
('a', 90), ('b', 87), ('c', 93)
B.
[['a', 90], ['b', 87], ['c', 93]]
C.
['a', 90], ['b', 87], ['b', 93]
D.
[('a', 90), ('b', 87), ('c', 93)]
【判断题】一般来讲，人的舌尖对苦味最敏感，舌根对酸味最敏感，而舌的两侧则对甜味最敏感，舌的中心前侧对咸味最敏感。四种味觉中，人们对酸味的灵敏度最高，而对苦味感觉最快。
A.
正确
B.
错误
【判断题】一般来讲,人的舌尖对苦味最敏感,舌根对酸味最敏感,而舌的两侧则对甜味最敏感,舌的中心前侧对咸味最敏感。四种味觉中,人们对酸味的灵敏度最高,而对苦味感觉最快。 答案
A.
正确
B.
错误
【单选题】____twice,thepostmanrefusedtodeliverourlettersunlesswechangedourdog.
A.
Beingbitten
B.
Bitten
C.
Havingbitten
D.
Tobebitten
【单选题】●To accommodate the longest path allowed by 802．3，the slot time has been set to 512 bitt times，or (75) ． (75)
A.
521μs
B.
5．12μs
C.
0．512μs
D.
512μs
【单选题】The experiment described in the passage shows that______.
A.
an infant prodigy performs much better than ordinary kids
B.
developmental psychology is an interesting subject
C.
babies can learn intricate tricks so long as they are trained
D.
toys are important tools to teach science with
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