问题
填空题 案例分析题
春天和日照逐渐延长时，鸟类大多进入繁殖季节，鸟类繁殖活动图解如下：（提示：下丘脑和垂体对性腺和甲状腺分泌活动的调节机理相似。）请回答：
图解中的A、B、C分别代表下丘脑、垂体和性腺分泌的物质，根据所学知识推断它们名称应该是：A是（）、B是（）。
答案
参考答案：促性腺激素释放激素；促性腺激素
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春天和日照逐渐延长时，鸟类大多进入繁殖季节，鸟类繁殖活动图解如下：（提示：下丘脑和垂体对性腺和甲状腺分泌活动的调节机理相似。）请回答：
图解中的A、B、C分别代表下丘脑、垂体和性腺分泌的物质，根据所学知识推断它们名称应该是：A是（）、B是（）。
参考答案：促性腺激素释放激素；促性腺激素
| 完形填空。 | |||
| Thomas Edison was a famous American scientist. He was ____1____ in 1847. When he was a child, he liked to ____2____ out how things worked. He was in school ____3____ only three months. He asked his teacher a lot of strange questions. Most of them had nothing ____4____ his lessons. The teacher thought the boy was not bright. So Edison’s mothertook her son ____5____ of school. As she had been a teacher, she taught his ____6____. The boy read a ____7____. Soon he became very____8____ in science. At the age of ten, Edison had already ____9____ a chemistry lab for himself. When he grew into a young man, he __ 10 many important things for man. All these things have changed the whole world. Can you name some of his inventions? | |||
| ( )1. A. taken ( )2. A. look ( )3. A. for ( )4. A. about ( )5. A. into ( )6. A. myself ( )7. A. lot ( )8. A. glad ( )9. A. built ( )10.A. taken | B. born B. speak B. in B. on B. at B. yourself B. little B. angry B. made B. invented | C. killed C. find C. at C. with C. front C. herself C. few C. excited C. produced C. made | D. caught D. watch D. on D. in D. out D. himself D. many D. interested D. grown D. planted |