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世界上牙齿最多的动物是蜗牛，是一种危害家作物的软体动物，有1417个排列整齐的角质牙齿，请问它的俗名叫（）
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膏状类护肤品的特点是，色泽洁白、（）。
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在双缝干涉实验中若使两缝之间距离增大，则屏幕上干涉条纹间距（）
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女性，28岁。发现肥胖1年就诊。体检：面呈满月，皮肤痤疮增多，口唇有小须，背部毳毛多见，颈部脂肪垫肥厚，BP20／13．3kPa（150／100mmHg）。下列哪项体征是帮助诊断的重要线索（）
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试分析为什么电控燃油喷射系统的闭环控制系统将混合气空燃比控制在14.7左右？
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Read the following Fax on establishment of business relations and fill in the blanks with the given words and phrases below. such as, set up, as well as, who, opportunities, contact, carry, facilitate, assist, with Foreign Economic Relations & Trade Committee of Dalian City Address: 108 zhongshan Road, Xigang District, Dalian, Liaoning, China. Tel : 8198888 Fax : 8881999 To: Ms Jaana Pekkala, Consultant for China Swiss Organization for Facilitating Investments Fax: +41-1-2493133 Total pages of this fax : 2 Dear Ms Jana Packable, We understand from the Swiss Business Guide for China that your organization is helping Swiss firms in seeking(1)of investing in China and business cooperating with Chinese partners．To establish business relations(2)your organization and attract Swiss companies' investment here in Dalian, We write to introduce our city, the city of Dalian, as one of the open cities in Liaoning Province, China and also ourselves, Foreign Economic Relations & Trade Committee of Dalian, as a Dalian government initiative to(3)business relationship with foreign companies. Our committee provides advice and assistance to Dalian firms seeking to export their services, goods to foreign areas and import goods and services abroad．We also(4)Dalian firms in establishment of joint ventures and(5)the procedures for examination and approval of joint ventures and foreign sole investment firms．Our committee can provide Dalian companies with information on the world market and specific commercial opportunities(6)organize trade missions, seminars and business briefings. Our committee facilitates and encourages investment from other countries into targeted sectors of Dalian economy and maintains active promotion of Dalian through its network of contacts in domestic and abroad areas. Nowadays, we are seeking foreign investment in the field of capital construction,(7)improving of tap water system and highway construction．Also, we are setting up a tannery zone in Tong'erpu, the largest leather clothes producing and wholesaling base in North China．We invite Swiss companies with most favorable polices to(8)their firms in any form on tanning, leather processing and sewage treatment. Any information on investment projects into Dalian and on business cooperation with firms in Dalian is highly appreciated and will be passed on to anyone(9)ave approached us with interest in similar project．You are also invited to our city for investigation and business tour. Should you have any questions, please feel free to(10)us. Thank you for your attention and looking forward to your prompt reply. Sincerely yours, Qiming Di Commercial Assistant For Foreign Economic Relations & Trade Committee of Dalian City
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口服碘剂后可行甲状腺手术的是（）。
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术语翻译：Sale by sample（）
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冷却液的寿命主要取决于（）储备值，储备值过低后会产生电化学反应，对铝合金、铸铁和橡胶软管产生腐蚀。
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齿辊式破碎机的特点