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问题 单项选择题

我国污水综合排放标准要求1997年12月31日之前建设的石油化工单位工业污水的悬浮物排放指标是（）。

A、30mg/L

B、70mg/L

C、120mg/L

D、150mg/L

答案

参考答案：B

听力题

母爱是伟大的，看看Jen是怎样描述她妈妈的这份爱, 但因有些单词被擦掉了，请你根据内容和所给中文，写出空白处各单词的正确形式，将其补全完整，每空限填一词。（10分）

Jen was reading a newspaper. A note in the newspaper said, “Write a story about why your Mom is the best Mom. The ten best stories will ___46__(赢；获胜) a nice __47__(礼物) for Mom. Send your stories to this newspaper.”

Jen thinks her Mom is the best in the world, so she wrote about her . “My mom __48__(爱) and cares us, she listens to our problems, and she is ___49___(总是) our first listener. The most important is that, she helps us feel better when we are sad. Even though she works, she ___50__（度过） time with Helen, Jill and me every__51_（夜晚）. She reads to us and helps us with our __52___(家庭作业). When she is ___53___(生气), she never shouts. She is teaching us to be kind and helpful. Also, she asks us to work___54__(努力)to make our dream come true. In a word, she does __55_ (每件事) she can to help us.”

What do you think of Jen’s story? What do you think of Jen’s mum’s love?

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单项选择题

怀疑脊柱转移瘤，以下哪种情况不适宜用CT检查（）

A.腰椎平片因肠气干扰而显示不清者

B.病灶较小，平片不能确定者

C.病灶周围有无软组织肿物

D.检体转移用于明确有无椎管和硬膜囊受累

E.明确脊髓有无侵犯
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