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在环境因素中工业发达国家卵巢恶性肿瘤发病率高可能与饮食中________含量高有关。

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参考答案：胆固醇

多项选择题

某新建炼油厂的设备及管道的防腐蚀工程由A机电公司负责。由于设备及管道表面油污、铁锈和旧的防腐层等污染物的存在，会降低防腐与设备的结合强度，于是按规定对设备及管道进行金属表面预处理，保证了防腐施工的质量。按设计要求，为保证涂膜厚度均匀、外观平整和高的生产效率，施工方选用合适的涂层方法，防腐衬里按要求采用聚氯乙烯塑料衬里。由于施工均按设计要求进行，施工方按期完成炼油厂的施工任务。

防腐蚀涂层采用刷涂的缺点是( )。

A．劳动强度大

B．工作效率低

C．涂布外观欠佳

D．损耗大

E．污染环境
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单词拼写。
1.He came to a p       in reading and then went on reading.
2.How was it that she could t_____such noise? 
3.Heavy rain p       the possibility of continuing the game.
4.A wage rise of 5% represents an a       increase of 250 for the lowest paid workers.
5.Hong Kong is very proud and p       to host her significant event.
6.Next Tuesday is the          (截止日期) for sending in your application.
7.As a leader,it’s wrong to           (滥用) the power at any time.
.The robbers tried to          (抢劫) me of the bike but a policeman saved me.
9.The doctor told her to watch out for          (症状) of  measles .
10.We should have           (预见) this trouble months ago and made provisions for it.
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