问题
单项选择题
通用AVG曲线的通用性表现在可适用于:()
A.不同的探测频率
B.不同的晶片尺寸
C.不同示波屏尺寸的A型探伤仪
D.以上都是
答案
参考答案:C
通用AVG曲线的通用性表现在可适用于:()
A.不同的探测频率
B.不同的晶片尺寸
C.不同示波屏尺寸的A型探伤仪
D.以上都是
参考答案:C
Li Ming (L) and John (J) have just finished swimming. L: How nice and cool the water is! But I’m feeling a bit hungry now. 小题1: J: Sounds good. L: 小题2: J: Yes, there is. L: 小题3: J: It’s only five minutes’ walk. Let’s go. L: Yeah. Oh, I almost forgot my CD player. J: Oh, it’s over there. 小题4: L: Pop music. I often listen to it when I’m not busy. How about you? J: Light music. I think it can relax myself. 小题5: L: Sure. J: OK. I can lend you some CDs. I’ll bring them to school tomorrow. L: Thanks.
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