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【简答题】
seo和sem的区别?
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反馈参考答案：
举一反三
【多选题】许多重介质旋流器采用泵直接给料，即将煤和介质一起送进混合桶。混合桶的计算步骤有哪些？
A.
确定中心套筒与桶出口圆柱段的直径
B.
确定总容积
C.
按60度锥角，根据体积确定高度
D.
确定位置
【单选题】翻译句子 His laughter, which was infectious, broke the silence. (infectious 传染的、传染性的)
A.
他的笑声，富有感染力，打破了沉寂。
B.
他那富有感染力的笑声打破了沉寂。
【简答题】The sound of the happy laughter called________ memories of his childhood.
【单选题】Their government said that they had to use force to maintain social stability, but many people ( ) that it wouldn't stability and harmony.
A.
contradicted them by saying, make
B.
contradicted them by saying, make for
C.
opposed by saying, make up
D.
objected by saying, result to
【单选题】The Government said that they had to use force to maintain social stability, but many people that it would not stablity and harmony.
A.
opposed by saying, make up
B.
objected by saying, result to
C.
contradicted by saying, make
D.
countered by saying, make for
【判断题】王女士是北京市延庆区某村的一位普通村民,为维持一家老小的生活,她辛苦操劳经营着一个中小规模的养殖场,进行生猪养殖。然而2016年12月2日,延庆区人民政府发布了《关于畜禽养殖禁养区划定范围的公告》,将王女士所经营的养殖场划入禁养区范围,随后被告多次以王女士养殖场污染环境为由,要求王女士关停养殖场。此案例中,王女士在禁养区内经营养殖场的行为是违法行为。
A.
正确
B.
错误
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