“空谷传响,哀转久绝……巴东三峡巫峡长,猿鸣三声泪沾裳。”这是哪部著作中对三峡两岸猿声的描写[ ]
A.《齐民要术》
B.《九章算术》
C.《水经注》
D.《伤寒杂病论》
答案:C
My name is Kumiko. I come from Tokyo. I can speak a little English. But I can’t speak Chinese. I usually get up at 6:30 and go to school at 7:30 in the morning. I think art is interesting. I don’t like math. I think it is boring. I want to visit China and Canada.
My name is Mario. I am twelve years old. I go to school at 7:50 and I go home at 4:20. It takes me about 20 minutes to get home. I have lunch at school. I usually have fish, vegetables, and soup for lunch. My favorite subject is music and I can sing English songs. I don’t like P.E. I usually do my homework at 7 o’clock and I go to bed at 10 o’clock.
I am Alice. I am from Canada. I like math and P.E. And I am good at swimming and running. I don’t like biology. I think it’s difficult. I get up at 6:30 and then I run on the playground. My good friend is Sam. He knows Chinese. He likes Chinese food and he can cook Chinese food.
根据短文内容,判断正(T)误(F)。
小题1:Kumiko can speak English and she thinks math is interesting.
小题2:Mario never eats vegetables for lunch at school.
小题3:Alice is a Japanese girl and she can swim and run well.
小题4:Mario often gets home at about 4:40.
小题5:Sam, a friend of Alice, likes Chinese food.
下图甲表示反射弧中三个神经元及其联系,其中—○—<表示从树突到胞体,再到轴突及末梢(即一个完整的神经元模式);图乙表示突触的亚显微结构模式图。联系图解回答下列问题:
(1)图甲中,若①代表小腿上的感受器,则⑤(代表神经末梢及其支配的腿上肌肉)称为_______________,③称为_____________。
(2)图甲中刺激d点,则除d点外图中发生兴奋的点还有_______(用字母表示)。因为神经元之间兴奋地传递只能是_________方向的。
(3)甲图中总共有_________个突触。
(4)图乙中二氧化碳浓度最高处在[ ]__________中。
(5)手术过程中,使用某种局部麻醉剂,能使乙图中[ ]中释放的_________发生变化,从而暂时失去兴奋传导功能。