明清时期我国科技继续发展,而西方文艺复兴后科技也在迅速发展,但二者并不等同,我国明清时期的科技属于传统科技,而西方的科技是近代科技。
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--- Do you want a lift home?
--- It’s very kind of you , but I have to work late in the office . I over slept this morning because my alarm clock _________ .
A.doesn’t go off
B.won’t go off
C.wasn’t going off
D.didn’t go off
正确使用弹簧测力计的方法是:
A、测量前,认清______,不要测量超过______的力,
B、明确______,了解每一小格和每一大格所表示的力的大小,
C、校零:测量前使指针______,测力时,要使测力计的轴线与______一致,弹簧不要靠在刻度盘上.