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【多选题】
昆虫区别于其它所有节肢动物的特征A.
多数具翅
B.
有三对胸足
C.
气管系统呼吸
D.
马氏管排泄
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【简答题】写出时间。 seven fifty in the morning twelve o'clock nine ten in the evening three forty-five in the afternoon eight thirty in the evening eleven twenty in the morning 7: 50 a. m. 1_________________ 2_____...
【单选题】Which magnetic compass corrector（s）CANNOT be set on a heading of magnetic east or magnetic west ________．
A.
Heeling magnet
B.
Flinders bar
C.
Fore-and-aft magnets
D.
All of the above can be set on magnetic east or magnetic west headings
【单选题】The magnetic compass magnets are acted on by the horizontal component of the Earth’s total magnetic force. This magnetic force is GREATEST at the _________.
A.
north magnetic pole
B.
south magnetic pole
C.
magnetic prime vertical meridian
D.
magnetic equator
【单选题】When did the conversation take place?
A.
About five o'clock.
B.
About nine o'clock.
C.
About ten o'clock.
D.
About eleven o'clock.
【简答题】如果给出的文件名是*.*,则其含义是().A. 硬盘上的全 部文件 B. 当前盘当前文件夹中的全部文 件 C. 当前驱动器上 的全部文件 D. 根文件夹中的全部文 件
【简答题】A．Almost ten feet tall. B．Ten feet tall. C．Eight to nine feet tall. D．Five to six feet tall.
【单选题】Almost five in ten of the prisoners in the USA are nonviolent offenders who are in need of help with their ( ).
A.
choir
B.
addiction
C.
indifference
D.
persecution
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