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【简答题】
It _____ (sudden) occurred to him that Mary was afraid of being alone.
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举一反三
【单选题】The words 'open space' in paragraph 4 mean ______.
A.
empty land and places
B.
wild areas in the countryside
C.
free land for everyone to live on
【简答题】阅读理解。 As a large part of land in Hawaii is rocky and mountainous, the state has little space in which to grow crops. Some areas are also covered with hard, black lava (熔岩) on which nothing can grow. E...
【单选题】最先测量出万有引力常数的物理学家是谁? prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
爱因斯坦
B.
卡文迪许
C.
赫兹
D.
牛顿
【简答题】用按键控制流水灯的开启。当按键未按下,8个LED灯全灭。按下按键,8个LED灯依次点亮。
【判断题】军人之间通常称职务，或者姓加职务，或者职务加同志。首长和上级对部属和下级以及同级间的称呼，可以称姓名或者姓名加同志；下级对上级，可以称首长或者首长加同志。在公共场所和不知道对方职务时，可以称军衔加同志或者同志。
A.
正确
B.
错误
【单选题】Shortage of land and funding are blamed for the citys______green space.
A.
inefficient
B.
inaccurate
C.
inadequate
D.
indispensable
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