在公差等级高于IT8级的配合中,孔与轴的公差等级应______。
A.相同
B.孔比轴高一个公差等级
C.孔比轴低一个等级
参考答案:C
关于新疆的农业生产条件,描述不正确的是[ ]
A、夏季热量充足,光照强烈,有利于瓜果着色
B、夏季昼夜温差大,有利于瓜果和糖料作物的糖分积累
C、稳定的灌溉水源和夏季炎热干燥的气候有利于优质棉花生长和成熟
D、降水稀少,气候干旱,沙漠广布,无法进行农业生产
A little boy invited his mother to attend his school’s first teacher-parent meeting. To the little boy’s (1) , she said she would go. This (2) be the first time that his classmates and teacher (3) his mother and he felt (4) of her appearance. Although she was a beautiful woman, there was a severe sear (疤痕) that (5) nearly the entire right side of her face. The boy never wanted to (6) why or how she got the sear.At the meeting, the people were (7) by the kindness and natural beauty of his mother (8) the sear, but the little boy was still embarrassed (尴尬) and (9) himself from everyone. He did, however, get within (10) of a conversation between his mother and his teacher.The teacher asked (11) ," How did you get the scar on your face"The mother replied, " (12) my son was a baby, he was in a room that caught fire. Everyone was (13) afraid to go in because the fire was (14) , so I went in. As I was running toward his bed, I saw a long piece of wood coming down and I placed myself over him trying to protect him. I was knocked (15) but fortunately, a fireman came in and saved both of us. " She (16) the burned side of her face. "This scar will be (17) , but to this day, I have never (18) what I did. "At this moment, the little boy came out running toward his mother with tears in his eyes. He held her in his arms and felt a great (19) of the sacrifice (牺牲) that his mother had made for him. He held her hand (20) for the rest of the day.
第(1)空应选择()
A.enjoyment
B.disappointment
C.surprise
D.excitement