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【单选题】
局部电位的空间性总和是指A.
同一部位连续的阈上刺激引起的去极化反应的叠加
B.
同一部位连续的阈下刺激引起的去极化反应的叠加
C.
同一时间不同部位的阈下刺激引起的去极化反应的叠加
D.
同一时间不同部位的阈上刺激引起的去极化反应的叠加
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参考解析：
知识点：
皮皮学刷刷变学霸
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【单选题】Lily: I’m afraid we just don’t see eye to eye on this. Let’s call a meeting with the team and see what they think. John: Okay, let’s do that. It’s clear that Lily John.
A.
. agrees with
B.
disagrees with
C.
fights with
D.
argues with
【判断题】质证是指在审判人员的主持下，刑事诉讼中的公诉人、被告人及其辩护人、被害人及其代理人，民事、行政诉讼中的当事人及其代理人在法庭审理活动中，一方针对另一方提交法庭的证据材料就其证据能力和证明力进行质疑和辩驳的诉讼活动。
A.
正确
B.
错误
【多选题】If you want to decline an invitation, you can say
A.
I’m afraid I can’t make it.
B.
There is just no way I can make it.
C.
But, I’m available on next week. Would that work for you?
D.
Can we do next week?
【单选题】I’ve been waiting for my order for seven weeks. I’m afraid this is just not good enough.
A.
We are sorry but we do still need to make sure that the majority of fare paying passengers are not supporting the minority.
B.
Yes, I ’ m sorry. We should have phoned you.
C.
Yes, you ’ re right. I ’ m sorry for the inconvenience , but I can assure you we ’ ll do everything we can to send it out to you today
D.
We are sorry that your own personal experience has been so difficult over the past few weeks.
【单选题】某同学的午餐如下:二两米饭、一份红烧肉、一份蔬菜、一个煮鸡蛋。叙述正确的是
A.
．该午餐包含脂肪、磷脂和固醇等脂质
B.
．该午餐含有的多糖只有糖原和淀粉
C.
．生鸡蛋比熟鸡蛋的蛋白质更易消化
D.
．午餐中的DNA可改变人体的DNA
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