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【单选题】
下面传输速率可以达到 54Mbps 及以上的无线局域网标准有哪些()? (Select 3 Answers)A.
802.11a
B.
802.11b
C.
802.11g
D.
802.11n
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【简答题】After reading the passage，we may know the writer is a person of＿＿＿.
【单选题】The questions in this group are based on the content of a passage. After reading the passage, choose the best answer to each question. Answer all questions following the passage on the basis of what i...
A.
Describing the life cycle of the Plasmodium protozoan as it relates to the disease malaria
B.
Comparing and contrasting the life cycles of the six variants of the Plasmodium protozoan known to cause malaria
C.
Addressing the public health implications of the life cycle of the Plasmodium parasite
D.
Providing information on how a person can avoid infection with malaria
E.
Describing the life cycle of the Anopheles mosquito as it relates to the transmission of the Plasmodium protozoan to humans
【单选题】The questions in this group are based on the content of a passage. After reading the passage, choose the best answer to each question. Answer all questions following the passage on the basis of what i...
A.
To educate readers about the health threats involved in the use of performance-enhancing drugs
B.
To analyze the ways in which professional athletes have eluded attempts to screen for performance-enhancing drugs
C.
To discuss the reasons why performance-enhancing drugs are a dangerous and persistent problem for society
D.
To complain about the inadequate efforts by government and professional sports organizations to eliminate the problem of performance-enhancing drugs
E.
To argue that athletes, both professional and amateur, should not use performance-enhancing drugs on the grounds that they are both dangerous and unfair
【单选题】高差和高程与水准面的关系是
A.
高差和高程与水准面都无关
B.
高差与水准面有关,高程与水准面无关
C.
高差与水准面无关,高程与水准面有关
D.
高差和高程与水准面都有关
【单选题】After reading this passage, we think that the writer wrote the passage in order to ______.
A.
prove to readers the importance of higher education
B.
tell a story in honor of her mother
C.
give a detailed description of different reading skills
D.
prove the importance of fast reading
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