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听力原文：M: I can't believe this company is letting so many of us go. W: I know how you feel. They should have let us know earlier about the plan to merge with Robson Inc. M: I can't agree with you more. Perhaps we should consider something legal against the company. W: Well, that sounds too far to me at this point. All they are saying at this point is that it will be an official decision after both companies sign the contract by the end of next month. Why is the company laying so many people off?A.
The company plans to merge with another company.
B.
The people broke the law.
C.
The people didn' t work hard enough.
D.
The company went out of business.
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皮皮学刷刷变学霸
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【单选题】硫酸生产过程中,生产气中SO3和SO2经水吸收生成硫酸和亚硫酸,用( )标准溶液滴定,测出二者总量后,再用( )标准溶液滴定,测定其中的亚硫酸根。用差减法即可计算出SO3的含量。
A.
硫代硫酸钠,高锰酸钾
B.
氨水,硫代硫酸钠
C.
氢氧化钠,碘
D.
碘,氢氧化钠
【单选题】分析有关神经系统中信息传递与调节的资料，回答问题。
在某溶液中维持正常活性的离体神经纤维某部位受到适当刺激时，受刺激部位细胞膜两侧会出现暂时性的电位变化，产生神经冲动。图1显示受刺激部位的膜内钠离子含量变化趋势。 神经冲动在神经元之间传导时，若突触小泡释放的某种递质与突触后膜结合，可导致突触后膜神经元产生抑制。能正确表示突触小泡释放该种递质及突触后膜接受递质后的膜电位状况的是图2中的（）。
A.
A
B.
B
C.
C
D.
D
【简答题】根据短文内容及首字母提示填空。 Jerry and Carla were asked to choose a person for class president. As they looked t __ 1 __ the list of kids in the room, they stopped at Tina's name. Tina had lots of ideas, and she n...
【简答题】a.有吸引力的,有趣的
【单选题】硫酸生产过程中,测定生产气中SO3过程中,滴定总酸用( )作指示剂,滴定亚硫酸根用( )作指示剂。
A.
淀粉,酚酞
B.
酚酞,淀粉
C.
甲基橙,酚酞
D.
甲基橙,淀粉
【简答题】运动神经末梢与肌细胞接触的部位叫做——,运动神经末梢释放的神经递质是——,与终板膜的受体结合。
【多选题】以下属于POP广告的优点的有()
A.
强烈的吸引力，能引起消费者的兴趣，促成购买行为
B.
明显的推销效力，能影响消费者的购买行为
C.
显示商品质地的功能，帮助消费者迅速了解商品的性质、用途、价格及使用方法
D.
较持久的时效性
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