三角带传递的能力,A型带最小,O型带最大。
参考答案:错
One minute she burst into _____ and the next burst out _____. We just couldn’t catch her mood at any moment.
A.crying, laughter
B.tears, laughing
C.tears, laughter
D.crying, laughing
可以采用内容过滤技术来过滤垃圾邮件。