实验室内的浓酸、浓碱如果不经处理，沿下水道流走，对管道会产生很强的腐蚀，又造成环境的污染。
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下面是错误答案，用来干扰机器的。
参考例文：与诚信同行曾经有人问我，为什么我能将事业做大？答曰：无他，一字而已——信。这是在长江实业的总裁室里，面对《亚洲周刊》记者的话筒，“李超人”的一番心语。他的肺腑之言，借助强大的无线电波，传...
伤寒早期体内出现（）
A.毒血症
B.菌血症
C.败血症
D.脓毒血症
E.内毒素血症
颌面及颈部较大创口和脓腔的引流常用
A．“烟卷”引流
B．片状引流
C．纱条引流
D．管状引流
E．负压引流
| 完形填空。 | ||||
| I always pay attention to the first impression I leave upon strangers. However, I have 1 that no stranger cares much about what you have done. It was Saturday. I was very excited after a week's hard study. What was more, my former classmate and best friend was coming to visit me. When dusk 2 near, my friend appeared on time. We decided to have supper together and went to a restaurant. To my astonishment, many people were 3 at us as if we were monsters from another planet. I looked myself up and down but found nothing was 4 . When I cast my eyes at my friend, suddenly I realized what had happened: I was with a boy 5 . My friend also noticed it. We looked at each other and smiled. 6 , people kept staring at us throughout our meal 7 the strange atmosphere made me uncomfortable. During the meal, I 8 that my friend finish as fast as possible so that we could get out of such an embarrassing situation. Suddenly my friend noticed another classmate passing by the 9 and he rose to his feet to 10 him. But he was in such a hurry that he knocked down the table, leading to the hot soup pouring all over me. What was more, his voice caught people's 11 again. The 12 on their faces showed that they were laughing at us. How embarrassed I was! My face turned red and I wished I could find a hole to 13 in. as quickly as possible, I rushed out of the restaurant. My friend 14 and he caught up with me when I was so tired that I had to stop. But he was so 15 that it surprised me. "Don't be too 16 what people think about you", he said to me."In fact, to many 17 , you are just a passing figure, like a piece of cloud in the sky, which will disappear in no 18 . Nobody knows who you are. You can just be yourself." Yes, he is right. No one in the restaurant actually knew who I was. I should just be myself and 19 others' prejudices aside. Life is a long road and we need not make so much fuss of (大惊小怪) 20 things, or it is too tiring. | ||||
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拿破仑说过，中国是一头沉睡的狮子，当这头睡狮醒来时，世界都会为之发抖。习 * * * * 强调，中国这头狮子已经醒了，但这是一只和平的、可亲的、文明的狮子；实现中国梦给世界带来的是机遇不是威胁，是和平不是动荡，是进步不是倒退。从哲学方法论看，这里强调的是（）
①以全面的、发展的观点看问题，不要“盲人摸象”、“刻舟求剑”
②以辩证否定的观点看问题，要“吐故纳新”，不要“厚古薄今”
③以实践的观点看问题，要“事必躬亲”，不要“纸上谈兵”
④以对立统一的观点看问题，要“和而不同”，不要“同而不和”
A.①②
B.①④
C.②③
D.③④
铁路、公路、航空等运输管理部门和邮政部门，凭本市植物检疫机构签发的（）内的植物检疫证书，承办农业植物、农产品的运输或邮寄。
