[单选题]在洁净的试管中加入1毫升花生油,滴入5滴新鲜的鸡的胆汁,摇匀后液体成为乳状液,说明( )A.胆汁中含有脂肪酶,将花生油消化成可以吸收的物质B.胆汁中不含脂肪酶,也可以将花生油消化成可以吸收的物质C.胆汁中含有脂肪酶,但不能将花生油彻底消化D.胆汁中不含脂肪酶,只是将花生油乳化成了细小的油滴
[计算题]某非金属元素R的氧化物中含有R?40%,R元素的化合价为+6价,该元素的原子核内质子数等于中子数；又知氧元素的相对原子质量为16,试通过计算,推测元素R的氧化物的化学式.
[判断题]所有的消化液都含有消化酶.
[填空题]根据汉语完成句子,每空一词.1. 他昨天没钱打车.He _____ _____ _____ money_____ a taxi yesterday.2. 我们昨晚什么事也没做.We _____ _____ last night.3. 周末我们总是过得很愉快.On weekends we always_____ _____.4. —海滩怎么样 —很美.—_____were the beaches —_____very beautiful.5. 我们在水里玩得很开心.We had_____ _____ in the water
[翻译]英汉互译.1. photo album 2. in your family3. on my tenth birthday4. leave school5. 好主意6. 做一顿特殊的饭7. 你收到的最好的礼物8. 不够特别________________________________________
[填空题]含Fe2O380%的赤铁矿100千克,其中含铁为______千克；该赤铁矿石中含铁的质量分数为______.
[单选题]关于平面镜成像,下列说法中正确的是( )A.像和物体之间的距离总是相等的B.平面镜所成的像是实像C.像和物体的大小总是相等的D.平面镜所成的像是由于光的折射形成的
[填空题]根据汉语提示完成英语句子.1. The movie was too broing. I(睡着) half way through it.2. These books will(赠送) to children. 3. The gift he bought is(不够特别).4. Have you ever(听说) the Beijing Speaks English 5. A baby dog is too difficult to(照顾). 6. We should try to(取得进步) before the test.
[填空题]古语今谈.昔者,先王未有宫室,冬则居营窟,夏则居槽(zēng,木)巢,未有火化,食草木之食,乌兽之肉,饮其血,茹(rú,吃)其毛,未有麻丝,衣其羽皮.(大意是:从前,先辈们没有房屋,冬天住在山洞里,夏天住在木巢里,没有火,吃的是草木的果实,鸟兽的肉,连毛带血一起吞咽,没有衣服,穿的是兽皮.) ——《礼记》试一试:用与以上记载有关的成语概括出远古先民的生活:_______________________.
[翻译]英汉互译.1.开始学英语2. an English-speaking country3.提高你的英语 4. understand English language movies 5.一位交换生______________ _______ ______________6.change your life 7.学另一门语言 8. become a flight attendant9.周游世界 10. take English lessons 10. take English lessons_______ _______ ______________ _______
[填空题]阅读下面的材料,然后再表格中完成内容摘要,没空不超过三个单词.I’m Victor. I’m in Xiangjiang Middle School. In my school we have five events(事件) every year. They’re the school trip, the basketball game, the English speech contest(比赛), the Music Festival and the School Day. The school trip is on the second day of March. Students can go on a picnic. We are very happy. The basketball game is May 15th. It’s boring. I don’t play basketball. But many students in our school like the basketball game. The English speech contest is on the twenty-first of September.It is an important event in our school.The Music Festival is October 19th. I will(将)play the piano in the festival. Of cause, the School Day is the most important(最重要的) day. It’s December 12th. On that day , the students’ and the teachers’ clothes are red.Xiangjiang Middle SchoolEventsDateDescribing小题1:______March 2ndStudents can go on a picnic.basketball game小题2:_____Many students like it.English speech contest 小题3:______It is very important.Music FestivalOctober 19th小题4:____ will play the pianoSchool DayDecember 12thStudents and teachers wear(穿) 小题5:______.
[单选题]关于平面镜成像,下列说法中正确的是( )A.本身不发光的物体在平面镜中不能成像B.从平面镜中可以看到物体的实像C.人离平面镜越远,在镜中成的像越小D.物与像到镜面的距离总是相等的
[翻译]翻译词组(中英互译).1. 弹钢琴 2. 踢足球 3. 打篮球4. 打鼓5. play chess 6. swimming club7. summer camp 8. 才艺展示9. 中国工夫 10. 吹喇叭11. 电子邮件12. 摇滚乐队
[问答题]与流入的血液相比,流出小肠的血液最显著的成分变化反映在( )A.氧多了B.二氧化碳少了C.营养物质多了D.营养物质少了
[翻译]翻译句子.1. 我比胖点儿. Im _________ _________ _________than_________.2. 我有的苹果比你多. I have _________ apples _________ you.3.I _________ _________ _________ to school. 我骑车上学.4. How do students _________ _________ _________ get to school 世界各地的学生怎样上学 5._________ students go to school _________ _________ _________ _________ 大多数学生乘校车上学.6. That _________ be _________ __________________ fun than taking a bus! 那一定比乘公共汽车要有趣得多！7. _________ small __________________students take the subway. 少数学生乘地铁.
[阅读理解]任务型读写(满分5分)Tomorrow is Zhang Hua’s birthday. His parents want to have a birthday party for him at home. Now they are doing something for the party. There is a big supermarket near their house. Mr Zhang is walking to it.He wants to buy vegetables,fruits,meat and other things. Mrs Zhang is busy making a birthday cake at home.Zhang Hua is cleaning his bedroom. He wants to invite his friends to the party.In the evening,the family are sitting around the table and taking about how to have the party.They want to have a big dinner first. Then they want to go to the movies. How interesting! 任务一:回答问题.小题1:Who may come to Zhang Hua’s birthday party 小题2:What do they want to do after dinner 任务二:句型转换小题3:They want to have a big dinner first(对划线部分提问)小题4:Then they want to go to the movies.(改为同一句)小题5:There is a big supermarket near their house.(改为一般疑问句)
[问答题]综合思维导航.伴四时由时钢①上图是什么人?距今约多少年,位于哪条河的流域______________________________________________②图中人物使用的工具是什么 ______________________________________________③图中人物的体质特征有何特点______________________________________________ ④图中人物取火方式是什么?“火”的使用对人类有何意义 ______________________________________________
[问答题]下表是探究“馒头在口腔中的变化”的模拟实验,请回答:试管馒头加入的液体搅拌与否温度时间冷却加碘1号碎屑唾液2ml搅拌37102滴2号碎屑清水2ml搅拌37102滴3号成块唾液2ml不搅拌37102滴(1)、把馒头切碎是模拟口腔中的(2)、加入碘液后,3支试管内出现的现象是: 1号,这个现象说明 2、3号,这个现象说明(3)、把三支试管放人37度的温水中水浴是因为.
[翻译]英汉互译.1. 蔬菜2. 牛奶3. 最喜欢的4. unhealthy food5. candy 6. some juice__________________________________________
[单选题]如图为某钙片的商品标签,请根据标签的有关信息计算每片钙片中至少含有钙元素的质量( )A.0.8gB.0.6gC.0.4gD.1.2gxX儿童咀嚼片主要成分碳酸钙、维生素D功效]补钙规格]2g片每片中含:碳酸钙≥1.5g维生素D100IU食用方法]嚼食:每日1片
[判断题]从打制石器到磨制石器,再到原始陶器的出现,反映了人类生产生活工具的进步. ( )