女性生殖系统如右图所示，下列说法不正确的是（ ）
A．1的作用是分泌雌性激素，产生卵细胞
B．受精卵形成的场所是2
C．卵细胞在图中的运动路线是1→2→3
D．怀孕是指受精卵植入3的内膜的过程
答案：D
题目分析：女性的生殖系统主要包括①卵巢、②输卵管、③子宫、 * * 等
A、①卵巢能产生卵细胞并分泌雌性激素，是女性主要的生殖器官，A正确；
B、②输卵管的作用是输送卵细胞，也是受精作用的场所，B正确；
C、卵细胞在图中的运动路线是1→2→3；C正确．
D、生殖细胞包括睾丸产生的精子和卵巢产生的卵细胞，含精子的精液进入 * * 后，精子缓慢地通过子宫，在输卵管内与卵细胞相遇，有一个精子进入卵细胞，与卵细胞相融合，形成受精卵；受精卵不断进行分裂，逐渐发育成胚泡；胚泡缓慢地移动到子宫中，最终植入子宫内膜，这是怀孕，D错误；故选：D
| 通读下面短文，掌握其大意，然后从短文后各题所给的四个选项中选择最佳的一项。 |
| On my way into the house, I heard a child's voice from the other side of a small forest. I had traveled several thousand kilometers to the center of Africa, to see this kid. I went through 1 and saw a little boy walking up and down. "We are all the same," he was saying. He paused, looked 2 at the paper in his hand, then into the front. "We are not different from one another. We all belong (属于) to one family." His thin voice 3 his weak body. His jacket was too large, and his trousers swept the ground. I thought he could not possibly be 11 years old. He had a certain unbelievable charm (诱惑力) —even in those 4 few moments I was moved by his amazing feelings. "We are all the same," he was saying again. It seemed to me that his words 5 a faraway bell. He was reading those famous words spoken by Shylock in Shakespeare's The Merchant of Venice. The kid was 6 not for himself, but a huge family he had not asked to join: the millions of Africans who 7 a deadly virus (病毒) in their bodies. "We all belong to one family. We love and we laugh. We hurt and we cry. We live and we die." He stopped, opened his arms, hands turned upwards and caught his shoulders (臂膀). I went into the house with 8 the boy had given me in those few moments. I had 9 for five or six stories like, who was this kid, where did he come from, where did he get so much courage (勇气), and what would 10 to him? This was the beginning, that afternoon in the spring of 2000. Over the next year or so I 11 try to find the answers to these questions. I was going to discover something that could make my life 12 for ever. |
| ( )1. A. the gates ( )2. A. up ( )3. A. matched ( )4. A. first ( )5. A. beat ( )6. A. saying ( )7. A. took ( )8. A. the lesson ( )9. A. subjects ( )10. A. appear ( )11. A. would ( )12. A. exciting | B. the houses B. down B. touched B. next B. hit B. reading B. received B. the memory B. topics B. come B. could B. rich | C. the streets C. away C. met C. later C. rang C. talking C. grew C. the words C. questions C. happen C. should C. comfortable | D. the trees D. back D. caught D. last D. blew D. speaking D. carried D. the feelings D. troubles D. turn D. might D. beautiful |