题目内容

I remember my grandfather ( take)_______me to the mountains when I was about 5 yeans of age.

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The figures we got are not ( consist)_______ with the previous experiment results.

If I (have)__ your phone number，I would have called you yesterday evening.

Singapore is (far)___ away from the South Pole than from the North Pole.

灰口铸铁的汽缸套，为了提高内壁的耐磨性，一般进行（）。

A. 渗碳
B. 氮化
C. 等温淬火
D. 表面淬火