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【判断题】
符号有视觉符号、听觉和触觉符号三种，语言是一种视觉符号。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【多选题】砖基础按设计图示尺寸以体积计算。其中计算规则正确的（）
A.
内墙按净长线计算
B.
不扣除嵌入基础内的管道所占体积
C.
不扣除基础大放脚T型接头处的重叠部分
D.
基础防潮层应考虑在砖基础项目报价中，不另列项目
E.
基础防潮层应另列项目
【单选题】听力原文：W: Oh, I am so angry. My biology professor would not even let me try to explain Why I missed the field trip. He just gave me a zero. M: That seems unfair. I would feel that way too if I were you....
A.
She should have asked to be excused from the trip.
B.
She deserves the zero.
C.
She is right to be angry.
D.
She should have gone on the field trip.
【单选题】听力原文：W: So many people fear to talk about drugs. So professor, would you like to tell me what the real consequence of drug addiction is? M: Drug abuse can cause a wide variety of adverse physical reac...
A.
Drug abuse can cause a lot of adverse physical reactions.
B.
Drug abuse can cause malnutrition.
C.
Drug abuse may damage the heart, liver and brain.
D.
Drug abuse can cause cancer.
【单选题】If we could learn English in the same ______, it would not seem so difficult.
A.
road
B.
way
C.
theory
D.
means
【简答题】用MnO 4 - 在酸性介质中将Cl - 氧化成 Cl 2 ,而本身被还原为Mn 2+ 的反应,反应方程式为MnO 4 - + Cl - Mn 2+ + Cl 2 (1) 配应方程式。 (2) 计算标准电动势,并说明标态下该反应的方向。 (3) 计算说明当pH=5,其它离子浓度均为1.0mol·L -1 ,p(Cl 2 )=100kPa,反应进行的方向。(已知 φ θ (MnO 4 - /Mn...
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