更多"Air, which (it is) a mixture of ele"的相关试题:
[单项选择]The mixture of elements in the air can be thought ________ a solution of gases.
A. of as
B. of
C. as
D. of to
[单项选择]Air is the mixture of gases in which （ ） the gas is oxyen.
A. not every of
B. not all
C. none of
D. all of
[单项选择]Air is the mixture of gases in which ______ the gas is oxyen.
A. not every of
B. not all
C. none of
D. all of
[简答题]What are the elements with which a method is concerned?
[单项选择]The two elements（）water is made are oxygen and hydrogen.
A. that
B. which
C. of which
D. with which
[单项选择]The process by which carbon dioxide and oxygen are transferred does not depend on_______.
A. the presence of nitrogen in the blood
B. the muscles of the thoracic cavity
C. the flow of blood
D. the moisture in the air sac linings
[单项选择]Which of the following elements can be called the key element of a computer （ ）
A. printer
B. CPU
C. mouse
D. keyboard
[单项选择]Which of the following elements is the most critical to online security according to the author
A. IT culture.
B. Operating systems.
C. Desktop antivirus software.
D. The efforts by online security vendors.
[单项选择]Which of the following elements of Davis' book is the author in agreement with
A. The Southern colonies shared a common culture.
B. The Northern colonies shared a homogeneous culture.
C. Acquisitiveness was a characteristic unique to the South during the Colonial period.
D. There were significant differences between Puritan and Southern culture during the Colonial period.
[单项选择]Which of the following components channels air flow through a server chassis?（）
A. Fan
B. Heat sink
C. Shroud
D. Radiator
[单项选择]Ores which (are occurred) naturally (as) elements, such as gold (are of) extreme rarity and (are occasionally) of high value.
A. are occurred
B. as
C. are of
D. are occasionally
[单项选择]This air crash which was suspected to be plotted by international political terrorists led to the {{U}}stop{{/U}} of the diplomatic relations between the two countries.
A. suspensory
B. sustenance
C. suspicion
D. suspension
[单项选择]Which is the best word to describe air travellers' reaction to airline alliances
A. Delight.
B. Indifference.
C. Objection.
D. Puzzlement.
[单项选择]Which phrase is used to describe the volume of air inspired and expired with a normal breath ？（）
A. Total lung capacity.
B. Forced vital capacity.
C. Tidal volume.
D. Residual volume.
