题目内容
生物吸收法对气态污染物的去除效率与（）有关。
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在废气处理的生物洗涤塔中生活的微生物系统属于附着生长系统。
生物吸收法处理气态污染物时，若气相阻力较大，可用鼓泡法进行吸收。
生物吸收法不适合处理水溶性强的气态污染物。
Directions: In this section you will hear a recorded short passage. The passage is printedthe test paper. but with some words or phrases missing. The passage will be read three times. The first reading is for you to get the general idea. During the second reading, you are required to write down the missing words or phrases according to what you hear in order of numbered blanks. The third reading is for you to check your answer. Now the passage will begin.The networks that support electronic trade can 1. _________ to all the company's activities,including marketing and sales, purchases and logistics(物流), production, 2. _______ andengineering.The effectiveness of e-commerce reaches its full maturity when several of the 3._________operations are integrated with it:Information circulates from the sales 4.________ to those of purchasing and production.Information concerning sales is shared instantaneously(即刻的,瞬间的)with wholesalers, delivery departments, manufacturers, originators and even raw materials suppliers.The security of the 5.______ is ensured by the use of a protected payment server.
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