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【判断题】
轴向直廓蜗杆的齿形在蜗杆的轴平面内为直线,法平面内为阿基米德螺旋线,因此又称阿基米德蜗杆A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Nowadays, with increasing numbers of people living in cities, we _as a result__ eat more meat.( as a result)
A.
结果
B.
参加
C.
醒来
【单选题】__As a result___, we are using more land and resources to actually produce less food.( As a result)
A.
建立
B.
掌握
C.
结果是
【简答题】As a result, we have to water the vegetable garden.
【单选题】As a reliable travel agency, we really do try to describe our centers and accommodation as realistically as possible. All our Super Centers and Main Centers have been extensively investigated during t...
A.
the year before last
B.
three years ago
C.
between 1975 and 1976
D.
within the last three seasons
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