-
当血液抵达血库，温度超过10℃时，决定血液是否使用的原则是：（）
-
that, impressed, against, at, who, with, place, catalogue, displayed, for Dear Sir or Madam, We were(1)by the selection of sweaters that were(2)on your stand(3)the Menswear Exhibition(4)was held in Chicago last month. We are a large chain of retailers and looking for a manufacturer(5)could supply us(6)a wide range of sweaters(7)the teenage market. As we usually(8)very large orders, we would expect a quantity discount in addition to a 20% trade discount off net list prices, and our terms of payment are normally 30 days bill of exchange, documents(9)payment. If these conditions interest you, and you can meet orders of over 1000 garments at one time, please send us your current(10)and price-list. We hope to hear from you soon. Yours faithfully,
-
下列不是水泵的主要技术参数是（）。
-
洋务运动时期最早创办的翻译学堂是()。
-
有关需求的价格弹性的描述错误的是（）
-
在海上求生时（）最为重要
-
滑移率与滑转率有何不同，试分析车轮的三种滚动特点。
-
男性尿道全长（）
-
四十年代，茅盾先后发表的长篇小说主要有（）等。
-
（）是球童的主要收入来源，是客人对球童所提供服务的认可，并根据服务的满意程度而自愿支付的费用。