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【简答题】
图一是神经元的结构示意图，A、B分别表示神经元的结构；图二是反射弧的组成示意图，①、②、③、④是反射弧的组成部分。根据图示信息回答下列问题： (1)图一结构中涉及到________个神经元，含有_______个突触。 (2)图二中表示感受器的是_____(填编号)，感受器接受刺激后，接受刺激部位的膜外电位变化是______。 (3)从图一可知，神经细胞因具较多的________，使其细胞相对表面积大，从而使其与信息传导功能相适应。 (4)研究表明，生活在刺激丰富的环境中的孩子，大脑皮层的厚度大，结构⑤________(填结构名称)的数量将________(填“增加”或“减少”)。说明非条件反射的形成过程能明显影响结构⑤的数量，从而有利于智力开发。 (5)“小儿麻痹症”是由于病毒侵染了③的细胞体，而②及脊髓未受到侵染，所以严重的小儿麻痹症患者会表现出下肢________，对刺激________(填'有'或'无')感觉。 (6)人在拔牙时，往往需要在相应部位注射局部麻醉药，使其感觉不到疼痛，这是因为麻醉药阻断了________(填图中的序号)的兴奋传导。
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【单选题】听力原文：M: Have you finished reading the book you bought last month? W: Oh, I didn't read straight through the way you read a novel. I just covered a few chapters which interested me most. How did the wo...
A.
She read it selectively.
B.
She went over it chapter by chapter.
C.
She read it slowly.
D.
She finished it at a stretch.
【单选题】听力原文：M: Have you finished reading the book you bought last month? W: oh, I didn't read straight through the way you read a novel, I just covered a few chapters which interested me most. How did the wo...
A.
She read it selectively.
B.
She went over it chapter by chapter.
C.
She read it slowly.
D.
She finished it at a stretch.
【单选题】听力原文：M: Have you finished reading the book you brought last month? W: Oh, I didn't read it straight through the way you'd read a novel. I just covered a few chapters that interested me most. Q: How di...
A.
She read it selectively.
B.
She went it over chapter by chapter.
C.
She read it slowly.
D.
She finished it at a stretch.
【简答题】表白要注意在合适的
【简答题】下面程序的功能是求任意两个整数的和,如从键盘输入3,5,则程序的输出结果是3+5=8,请在空白处填写合适的内容。(注意要求结果表达式后输出换行符) #include "stdio.h" int main( ) { int a, b, c; printf("\ninput two integer umbers:\n"); scanf("%d,%d", &a, &b); c = a + b; prin...
【单选题】—Frankie, are you reading your book?—No, Mummy. _______________ my book. I'm playing with my toys.
A.
I don't read
B.
I'm not reading
C.
I'm reading
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