您所在的当前位置：高中地理试题 >

农业生产活动与地理环境

> 下列措施中，属于对山区农业土地利用用方式选择正确的是 ① 山坡上开辟坡地为耕地 ② 缓坡地上开辟水平梯田 ③ 陡坡地上发展用材林 ④ 引进大型农业耕地机械 A ①② B ②④ C ②③ D ③④

问题：

发布时间：2024-09-11

下列措施中，属于对山区农业土地利用用方式选择正确的是
① 山坡上开辟坡地为耕地
② 缓坡地上开辟水平梯田
③ 陡坡地上发展用材林
④ 引进大型农业耕地机械
A ①②            B ②④           C ②③                   D ③④

参考答案：

提问用户：7s***MEw

可能感兴趣的题目：

1 下面叙述中正确的是 A.以太阳为参照物，地球是静止的 B.月亮躲进云层里，是以地面为参照物 C.地球同步卫星相对于地球是静止的 D.坐在行驶的车上的人，相对于车站是静止的
2 下列关于新制氯水和久置氯水的说法中，不正确的是 A．新制氯水呈黄绿色，久置氯水无色 B．新制的氯水中无氯离子，久置的氯水中含有氯离子 C．新制氯水漂白能力强，久置的氯水几乎无漂白作用 D．新制的氯水含有粒子种类多，久置氯水含有粒子种类少
3 2011年第8号台风“洛坦”29日登陆海南，台风带来强降雨，并引发了洪水。洪水发生期间，一市民通过手持式信号发射器发出了紧急呼救信号，政府相关部门立即安排了救援行动。半小时后，该市民安全脱离洪水的围困。回答问题。小题1:地区救灾办公室能迅速掌握洪水淹没地区情况，所利用的技术手段主要是 A．地理信息系统 B．全球定位系统 C．遥感技术 D．“数字地球”系统小题2:在对被洪水围困的市民开展营救行动的过程中，政府相关部门利用的地理信息技术主要是①GIS技术 ②GPS技术 ③RS技术 ④“数字地球”技术 A．①④ B．②③ C．③④ D．①②
4 质点从静止开始做匀加速直线运动，经4s后速度达到20m/s，然后匀速运动了10s，接着经5s匀减速运动后静止。求：（1）质点在加速运动阶段和减速阶段的加速度的大小？（2）质点在整个过程的平均速度是多大？
5 ________ I go on a trip to Hainan? A.Is B.May C.Have D.Am
6 下列各组离子，在强碱性溶液中可以大量共存的是（　　） A．I-、AlO2-、Cl-、S2- B．Na+、K+、NH4+、Ba2+ C．Br-、S2-、Cl-、CO32- D．SO32-、NO3-、SO42-、HCO3-
7 These teenagers don’t know much of the world yet; that’s why they are so easily _________ . A．taken in B．taken on C．taken up D．taken over
8 放在水平桌面上的物体质量为m，用一个大小为F、方向与水平成θ角的推力推它t秒，物体始终不动，则在t秒内，推力对物体的冲量为_______________。
9 完形填空。 There were two screws (螺丝钉) in an engine. One was proud of its 1 head. The second screw was 2 , only doing its job to the best of its ability. One day the second screw was a little rusted(生锈). Filled with 3 , the first screw said to the second, "How 4 you have become!" Then it began to laugh so hard that it 5 to notice that it was working itself loose. Finally it dropped off the 6 and fell into the dirty oil below. Now, the second was faced with doing the 7 of two. Meanwhile the first screw cried, "Just look at me ! I"m dirty and all my 8 is gone." A short time later the owner of the engine 9 it up. He immediately noticed something didn"t sound right . When he 10 , he immediately saw one screw was missing. "Ah ha!" the owner said, "it must have worked itself loose and fell onto the oil." He 11 into the oil and found the missing screw. "Look at you," the owner said. "you"re all 12 with oil. How ugly you are! But I"ll 13 that right away." He reached for a rag and 14 all the oil and dirt off until it shone even brighter than before. Then he 15 it on the part. Before he turned away, he noticed the second screw was a little rusted. With the 16 , he wiped the head clean and bright. Then he walked away. Finally the engine was started. The two screws, now 17 beautiful, held the part tight. " 18 me , my friend ," the first screw said, "I was so busy 19 you that I didn"t notice that I was working myself loose. I shall no longer 20 others." ( )1. A. big ( )2. A. shy ( )3. A. pride ( )4. A. small ( )5. A. prepared ( )6. A. ground ( )7. A. work ( )8. A. wealth ( )9. A. finished ( )10. A. drove ( )11. A. walked ( )12. A. covered ( )13. A. create ( )14. A. knocked ( )15. A. took ( )16. A. key ( )17. A. probably ( )18. A. Help ( )19. A. waiting for ( )20. A. judge B. cool B. quiet B. pleassure B. weak B. refused B. engine B. lesson B. beauty B. put B. returned B. reached B. filled B. move B. turned B. put B. oil B. nearly B. Excuse B. listening to B. invite C. nodding C. happy C. interest C. ugly C. happened C. seat C. problem C. voice C. started C. repaired C. jumped C. connected C. fix C. blew C. planted C. rag C. different C. Save C. laughing at C. treat D. shining D. brave D. hope D. selfish D. failed D. wall D. travel D. dream D. broke D. checked D. looked D. compared D. carry D. wiped D. sent D. tool D. equally D. Accept D. speaking to D. expect
10 —Have you seen the film Where are we going，Dad? —Yes，I have．I heard that it was in five days_________ it was made． A．that B．when C．which D．where