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【单选题】
厂商经营决策的利润最大化原则的内容是( )。
A.
边际收益等于边际成本
B.
边际效益小于边际成本
C.
总收益等于总成本
D.
边际收益大于边际成本
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参考答案：
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【简答题】【 Word meaning 】 Choose the underlined words ’ meanings in the following sentences. (1) “ Self-reliance ” has influenced the way I view the world and myself. A. 自立 B. 自尊 C. 自信 D. 自爱 (2) It concentrate...
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【单选题】You are really curious about chemistry and chemical reactions. You wonder what would happen if you mixed chemicals in a different way or introduced something new into a procedure. You should:
A.
Stomp that curiosity down. Chemists do what they are told. Nothing more, nothing less.
B.
Run with it.
C.
Get the
D.
Be applauded for your curiosity, imagination, and quest for innovation, but be very, very careful about altering procedures. If it's a lab experiment for a grade, don't deviate from the procedure. Otherwise, make a prediction about what could happen based on your observations. Research possible reactions and consequences before playing mix-and-match in the lab.
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【简答题】(A) A: Oh. Jim! Be careful! You almost fell down. 1 1 B: Don't worry. I'm OK. A : 12 B: OK. I won't. A: By the way, 13 B: Haha. You saw my pictures in the friend circle! A: Yeah. I'm used to looking t...
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【单选题】关于浸渍法下列叙述错误的是
A.
提取温度不同可分为常温浸渍法和温浸法
B.
一般选用动态提取
C.
适用于有效成分能溶于水,且对湿、热较稳定的药材
D.
操作时间长,溶剂用量较大
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【单选题】根据《中华人民共和国海关法》及《中华人民共和国进出口关税条例》的规定，纳税义务人应当在规定的时限内缴纳税款，逾期由海关征收滞纳金，这一规定的时限是（ ）。
A.
海关填发税款缴纳书之日起7日内(法定节假日除外)
B.
海关填发税款缴纳书次日起7日内(法定节假日除外)
C.
海关填发税款缴纳书之日起15日内(法定节假日除外)
D.
海关填发税款缴纳书次日起15日内(法定节假日除外)
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【单选题】–-You should be _______ careful when you take the chemistry exam. ---I agree. In this way, I will make _______ mistakes.
A.
more; less
B.
more; more
C.
less; fewer
D.
more; fewer
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【多选题】液 - 液提取 机磷农药中毒检材 法 , 是最常用的一种方法, 磨沙提取法 是 液 - 液提取法 的一种, 下列关于操作的描述不正确的是 。 ( )
A.
取胃内容、呕吐物、肝、肾等内脏组织检材(固态状检材需用手术剪剪碎)于研钵中
B.
加无水硫酸钠研磨至干沙状
C.
置于具塞三角烧瓶中
D.
用提取溶剂浸没检材，振摇提取２～3次
E.
合并提取液，待净化、浓缩、供检。
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【简答题】第一年企业用于市场开发的资金最多为()
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【单选题】–You should be _______ careful when you take the chemistry exam. --I agree. In this way, I will make _______ mistakes.
A.
more; less
B.
more; more
C.
more; fewer
D.
less; fewer
查看完整题目与答案
【简答题】交际应用 A: Oh. Jim! Be careful! You almost fell down. 11 B: Don't worry. I'm OK. A: 12 B: OK. I won't. A: By the way, 13 B: Haha. You saw my pictures in the friend circle! A: Yeah. I'm used to looking th...
查看完整题目与答案
相关题目：
【简答题】【 Word meaning 】 Choose the underlined words ’ meanings in the following sentences. (1) “ Self-reliance ” has influenced the way I view the world and myself. A. 自立 B. 自尊 C. 自信 D. 自爱 (2) It concentrate...
查看完整题目与答案
【单选题】You are really curious about chemistry and chemical reactions. You wonder what would happen if you mixed chemicals in a different way or introduced something new into a procedure. You should:
A.
Stomp that curiosity down. Chemists do what they are told. Nothing more, nothing less.
B.
Run with it.
C.
Get the
D.
Be applauded for your curiosity, imagination, and quest for innovation, but be very, very careful about altering procedures. If it's a lab experiment for a grade, don't deviate from the procedure. Otherwise, make a prediction about what could happen based on your observations. Research possible reactions and consequences before playing mix-and-match in the lab.
查看完整题目与答案
【简答题】(A) A: Oh. Jim! Be careful! You almost fell down. 1 1 B: Don't worry. I'm OK. A : 12 B: OK. I won't. A: By the way, 13 B: Haha. You saw my pictures in the friend circle! A: Yeah. I'm used to looking t...
查看完整题目与答案
【单选题】关于浸渍法下列叙述错误的是
A.
提取温度不同可分为常温浸渍法和温浸法
B.
一般选用动态提取
C.
适用于有效成分能溶于水,且对湿、热较稳定的药材
D.
操作时间长,溶剂用量较大
查看完整题目与答案
【单选题】根据《中华人民共和国海关法》及《中华人民共和国进出口关税条例》的规定，纳税义务人应当在规定的时限内缴纳税款，逾期由海关征收滞纳金，这一规定的时限是（ ）。
A.
海关填发税款缴纳书之日起7日内(法定节假日除外)
B.
海关填发税款缴纳书次日起7日内(法定节假日除外)
C.
海关填发税款缴纳书之日起15日内(法定节假日除外)
D.
海关填发税款缴纳书次日起15日内(法定节假日除外)
查看完整题目与答案
【单选题】–-You should be _______ careful when you take the chemistry exam. ---I agree. In this way, I will make _______ mistakes.
A.
more; less
B.
more; more
C.
less; fewer
D.
more; fewer
查看完整题目与答案
【多选题】液 - 液提取 机磷农药中毒检材 法 , 是最常用的一种方法, 磨沙提取法 是 液 - 液提取法 的一种, 下列关于操作的描述不正确的是 。 ( )
A.
取胃内容、呕吐物、肝、肾等内脏组织检材(固态状检材需用手术剪剪碎)于研钵中
B.
加无水硫酸钠研磨至干沙状
C.
置于具塞三角烧瓶中
D.
用提取溶剂浸没检材，振摇提取２～3次
E.
合并提取液，待净化、浓缩、供检。
查看完整题目与答案
【简答题】第一年企业用于市场开发的资金最多为()
查看完整题目与答案
【单选题】–You should be _______ careful when you take the chemistry exam. --I agree. In this way, I will make _______ mistakes.
A.
more; less
B.
more; more
C.
more; fewer
D.
less; fewer
查看完整题目与答案
【简答题】交际应用 A: Oh. Jim! Be careful! You almost fell down. 11 B: Don't worry. I'm OK. A: 12 B: OK. I won't. A: By the way, 13 B: Haha. You saw my pictures in the friend circle! A: Yeah. I'm used to looking th...
查看完整题目与答案
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