第1题: [简答题] Write a letter in 130-150 words. 你公司是专营办公家具的外贸公司。请给你的客户David Howard先生写一封回信，信中应包括以下内容： ·确认对方的询问信，并且表达愿意为对方再次服务的友好意愿； ·介绍产品的特点、优点以及将给未来用户带来的好处； ·能给潜在客户提供服务和优惠，使客户产生购买欲望； ·敦促客户尽快决定，因为订晚了可能没有货源可供。 参考答案:
Dear Mr. Howard,
Thank you for your inquiry about our newly designed office furniture. It is a great pleasure to serve you again.
The items you inquired about in your letter dated March 8 are selling very well in many European countries. They are easy to use, convenient for filling documents, taking much less space than previous ones. In addition, they are 20% lower in price compared with our previous ones and those of our competitors.
Delivery can be made within 30 days after we receive your order. And a discount of 5 percent on the total value is possible if payment is made within 15days of delivery.
Please order without delay since our popular products may well be out of stock soon. We are looking forward to working on your order again. Yours sincerely,
第4题: [单项选择]甲醛、间苯二酚、催化剂按比例混合、搅拌后，立即出现混合液色泽加深，变稠的放热反应，形成的酚醛树脂，此反应是（） A. 置换反应 B. 聚合反应 C. 水解反应 D. 加成反应 E. 取代反应 参考答案:B 答案解析:酚醛树脂，即以甲醛和间苯二酚为主要成分的酚醛树脂。已有研究证明，液态的酚醛树脂可以在常温下聚合，可塑化成活组织、坏死组织和组织液。聚合前渗透和抑菌作用较强，且有较强的黏膜刺激性；聚合后仍有抑菌作用，细
第23题: [单项选择]为实现图像信息的压缩，建立了若干种国际标准。其中适合于连续色调、多级灰度的静止图像压缩的标准是______。 A. JPEG B. MPEG C. 261 D. 262 参考答案:A 答案解析:[知识点] 国际压缩标准 [评析] JPEG是关于静止图像压缩编码的国际标准，它适合于连续色调、多级灰度、单色或彩色静止图像的数字压缩编码；MPEG是关于运动图像压缩编码的国际标准；国际电信
