题目内容
微分调节“D”的特点是根据偏差的变化速度进行“超前”调节，阻止参数的任何变化，可提高系统稳定性，但（）。
查看答案
搜索结果不匹配？点我反馈
更多问题
某企业（增值税一般纳税人）2016年4月发生的业务有关资料如下：（1）销售产品45000件，该产品不含税单价为20元，增值税率为17%，单位销售成本为12元。（2）收到被投资单位分配的利润30000元。（3）发生管理费用40000元，销售费用10000元。（4）收到先征后返的税款3000元。要求：计算该企业4月利润表中“营业利润”、“利润总额”项目的金额。
患儿男，40d，因“皮肤、巩膜黄染，伴粪颜色逐渐变浅37d”来诊。近日粪呈淡黄色或白陶土样。查体：T38.5℃，P130次/min，R40次/min；皮肤黄，巩膜黄染；腹膨隆，肝肋下4cm、剑突下5cm，质中，边缘钝，无结节，脾肋下2cm，质中。对该患者初步进行的检查包括（）
Shopping habits in the United States have changed greatly in the last quarter of the 20th century. （1） in the 1900s most American towns and cities had a Main Street. Main Street was always in the heart of a town. This street was （2） on both sides with many （3） businesses. Here, shoppers walked into stores to look at all sorts of merchandise: clothing, furniture, hardware, groceries. （4）,some shops offered （5） .These shops included drugstores, restaurants, shoe-repair stores, and barber or hairdressing shops. （6） in the 1950s, a change began to （7） .Too many automobiles had crowded into Main Street （8） too few parking places were （9） shoppers. Because the streets were crowded, merchants began to look with interest at the open spaces （10） the city limits. Open space is what their car-driving customers needed. And open space is what they got （11） the first shopping centre was built. Shopping centres, or rather malls, （12） as a collection of small new stores （13） crowded city centres. 14 by hundreds of free parking space, customers were drawn away from （14） areas to outlying malls. And the growing （16） of shopping centres led （17） to the building of bigger and better瞫tocked stores. （18） the late 1970s,many shopping malls had almost developed into small cities themselves. In addition to providing the （19） of one stop shopping, malls were transformed into landscaped parks, （20）benches, fountains, and outdoor entertainment. 请在16处填上正确答案（）
读者批评认为，一部文学史应该是文学接受的（）。
微信支付 
支付宝支付