问题
单项选择题
刃具要求高硬度，应该进行淬火与（）
A、低温回火；
B、中温回火；
C、高温回火；
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
刃具要求高硬度，应该进行淬火与（）
A、低温回火；
B、中温回火；
C、高温回火；
参考答案：A
One day Yu Mei 41 shopping with her mother. When they get 42 the supermarket,Yu Mei is very 43 .There are many things and many people 44 it.Her mother tells Yu Mei 45 her. They walk here and there and they 46 some things. When they come to a shelf（货架），Yu Mei 47 some boxes of chocolates.She wants her mother to buy some 48 her.Her mother gives 49 a box of brown chocolates. Yu Mei shakes(摇晃)her head and says, “I want a box of white chocolates.” “ Why?”asks her mother. “I can’t bite my fingers(咬着手指)when I eat them 50 night,”answers Yu Mei quickly.
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